122120011112 has 32 divisors (see below), whose sum is σ = 249841800000. Its totient is φ = 55497792000.

The previous prime is 122120011099. The next prime is 122120011127. The reversal of 122120011112 is 211110021221.

It is a super-2 number, since 2×122120011112² (a number of 23 digits) contains 22 as substring.

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, 301112 + ... + 578712.

It is an arithmetic number, because the mean of its divisors is an integer number (7807556250).

Almost surely, 2^122120011112 is an apocalyptic number.

It is an amenable number.

122120011112 is an abundant number, since it is smaller than the sum of its proper divisors (127721788888).

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

122120011112 is a wasteful number, since it uses less digits than its factorization.

122120011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282617 (or 282613 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122120011112 its reverse (211110021221), we get a palindrome (333230032333).

The spelling of 122120011112 in words is "one hundred twenty-two billion, one hundred twenty million, eleven thousand, one hundred twelve".