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122112101120020 = 22511555055005091
BaseRepresentation
bin11011110000111101110000…
…011010001111100000010100
3121000100210200021122211002121
4123300331300122033200110
5112001141040341320040
61111413305205545324
734502210462403064
oct3360756032174024
9530323607584077
10122112101120020
11359aa4a6698730
1211842187715244
13531a17757b80b
142222385ba13a4
15e1b638e14c4a
hex6f0f7068f814

122112101120020 has 24 divisors (see below), whose sum is σ = 279747722566368. Its totient is φ = 44404400407200.

The previous prime is 122112101119991. The next prime is 122112101120033. The reversal of 122112101120020 is 20021101211221.

It is a super-3 number, since 3×1221121011200203 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 122112101119976 and 122112101120003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277527502326 + ... + 277527502765.

It is an arithmetic number, because the mean of its divisors is an integer number (11656155106932).

Almost surely, 2122112101120020 is an apocalyptic number.

122112101120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122112101120020 is an abundant number, since it is smaller than the sum of its proper divisors (157635621446348).

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

122112101120020 is a wasteful number, since it uses less digits than its factorization.

122112101120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555055005111 (or 555055005109 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122112101120020 its reverse (20021101211221), we get a palindrome (142133202331241).

The spelling of 122112101120020 in words is "one hundred twenty-two trillion, one hundred twelve billion, one hundred one million, one hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 555055005091 1110110010182 2220220020364 2775275025455 5550550050910 6105605056001 11101100101820 12211210112002 24422420224004 30528025280005 61056050560010 122112101120020