122011112120 has 48 divisors (see below), whose sum is σ = 289734177960. Its totient is φ = 46235784384.

The previous prime is 122011112107. The next prime is 122011112129. The reversal of 122011112120 is 21211110221.

It is a super-2 number, since 2×122011112120² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122011112095 and 122011112104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011112129) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4210322 + ... + 4239201.

Almost surely, 2^122011112120 is an apocalyptic number.

122011112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122011112120 is an abundant number, since it is smaller than the sum of its proper divisors (167723065840).

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

122011112120 is a wasteful number, since it uses less digits than its factorization.

122011112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8449572 (or 8449549 counting only the distinct ones).

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

Adding to 122011112120 its reverse (21211110221), we get a palindrome (143222222341).

The spelling of 122011112120 in words is "one hundred twenty-two billion, eleven million, one hundred twelve thousand, one hundred twenty".