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122202211120220 = 225711110971552827
BaseRepresentation
bin11011110010010001101011…
…011000100111010001011100
3121000200102021012112010010102
4123302101223120213101130
5112004130112021321340
61111522530520000232
734511550465641660
oct3362215330472134
9530612235463112
10122202211120220
1135a34737410580
1211857735300078
13532580810626a
1422268935348a0
15e1db5ec6e215
hex6f246b62745c

122202211120220 has 96 divisors (see below), whose sum is σ = 320236112770560. Its totient is φ = 38054654979840.

The previous prime is 122202211120219. The next prime is 122202211120291. The reversal of 122202211120220 is 22021112202221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 122202211120192 and 122202211120201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34068554 + ... + 37484273.

It is an arithmetic number, because the mean of its divisors is an integer number (3335792841360).

Almost surely, 2122202211120220 is an apocalyptic number.

122202211120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122202211120220 is an abundant number, since it is smaller than the sum of its proper divisors (198033901650340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122202211120220 is a wasteful number, since it uses less digits than its factorization.

122202211120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71553963 (or 71553961 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122202211120220 its reverse (22021112202221), we get a palindrome (144223323322441).

The spelling of 122202211120220 in words is "one hundred twenty-two trillion, two hundred two billion, two hundred eleven million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1109 1540 2218 4436 5545 7763 11090 12199 15526 22180 24398 31052 38815 48796 60995 77630 85393 121990 155260 170786 243980 341572 426965 853930 1707860 71552827 143105654 286211308 357764135 500869789 715528270 787081097 1001739578 1431056540 1574162194 2003479156 2504348945 3148324388 3935405485 5008697890 5509567679 7870810970 10017395780 11019135358 15741621940 22038270716 27547838395 55095676790 79352085143 110191353580 158704170286 317408340572 396760425715 555464596001 793520851430 872872936573 1110929192002 1587041702860 1745745873146 2221858384004 2777322980005 3491491746292 4364364682865 5554645960010 6110110556011 8728729365730 11109291920020 12220221112022 17457458731460 24440442224044 30550552780055 61101105560110 122202211120220