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101222122020220 = 22510349136952437
BaseRepresentation
bin10111000000111110011100…
…101000000101110101111100
3111021101201222201111201000101
4113000332130220011311330
5101231410401214121340
6555140444555010444
730215025355001125
oct2700763450056574
9437351881451011
10101222122020220
112a286074030503
12b429637a39a24
134463288936236
141add2693a104c
15ba804668cc9a
hex5c0f9ca05d7c

101222122020220 has 24 divisors (see below), whose sum is σ = 214630208249184. Its totient is φ = 40095753187776.

The previous prime is 101222122020211. The next prime is 101222122020233. The reversal of 101222122020220 is 22020221222101.

It is a super-2 number, since 2×1012221220202202 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24568474159 + ... + 24568478278.

It is an arithmetic number, because the mean of its divisors is an integer number (8942925343716).

Almost surely, 2101222122020220 is an apocalyptic number.

101222122020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222122020220 is an abundant number, since it is smaller than the sum of its proper divisors (113408086228964).

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

101222122020220 is a wasteful number, since it uses less digits than its factorization.

101222122020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49136952549 (or 49136952547 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 101222122020220 its reverse (22020221222101), we get a palindrome (123242343242321).

The spelling of 101222122020220 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred twenty-two million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 103 206 412 515 1030 2060 49136952437 98273904874 196547809748 245684762185 491369524370 982739048740 5061106101011 10122212202022 20244424404044 25305530505055 50611061010110 101222122020220