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BaseRepresentation
bin1010000011110011100100…
…10110100110000100010000
32220022202011112100022120011
411001321302112212010100
510344412302011200422
6115014125215124304
74442122001301064
oct501716226460420
986282145308504
1022121000100112
117059510954a61
122593246213694
13c46002ca6084
1456693abc9aa4
15285640a1a077
hex141e725a6110

22121000100112 has 10 divisors (see below), whose sum is σ = 42859437693998. Its totient is φ = 11060500050048.

The previous prime is 22121000100107. The next prime is 22121000100131. The reversal of 22121000100112 is 21100100012122.

Adding to 22121000100112 its reverse (21100100012122), we get a palindrome (43221100112234).

It can be written as a sum of positive squares in only one way, i.e., 16624995045376 + 5496005054736 = 4077376^2 + 2344356^2 .

It is a super-2 number, since 2×221210001001122 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22121000100092 and 22121000100101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691281253113 + ... + 691281253144.

Almost surely, 222121000100112 is an apocalyptic number.

It is an amenable number.

22121000100112 is a deficient number, since it is larger than the sum of its proper divisors (20738437593886).

22121000100112 is a wasteful number, since it uses less digits than its factorization.

22121000100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382562506265 (or 1382562506259 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The spelling of 22121000100112 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred thousand, one hundred twelve".