22121030120112 has 320 divisors, whose sum is σ = 80778865536000. Its totient is φ = 5745721685760.

The previous prime is 22121030120107. The next prime is 22121030120131. The reversal of 22121030120112 is 21102103012122.

22121030120112 is a `hidden beast` number, since 2 + 21 + 210 + 301 + 20 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5155923 + ... + 8415794.

It is an arithmetic number, because the mean of its divisors is an integer number (252433954800).

Almost surely, 2^{22121030120112} is an apocalyptic number.

22121030120112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22121030120112 is an abundant number, since it is smaller than the sum of its proper divisors (58657835415888).

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

22121030120112 is a wasteful number, since it uses less digits than its factorization.

22121030120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13571766 (or 13571740 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 22121030120112 its reverse (21102103012122), we get a palindrome (43223133132234).

The spelling of 22121030120112 in words is "twenty-two trillion, one hundred twenty-one billion, thirty million, one hundred twenty thousand, one hundred twelve".