122111102120 has 64 divisors (see below), whose sum is σ = 314221662720. Its totient is φ = 41837105664.

The previous prime is 122111102089. The next prime is 122111102149. The reversal of 122111102120 is 21201111221.

It is a super-2 number, since 2×122111102120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 122111102095 and 122111102104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245204 + ... + 551676.

It is an arithmetic number, because the mean of its divisors is an integer number (4909713480).

Almost surely, 2^122111102120 is an apocalyptic number.

122111102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122111102120 is an abundant number, since it is smaller than the sum of its proper divisors (192110560600).

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

122111102120 is a wasteful number, since it uses less digits than its factorization.

122111102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307914 (or 307910 counting only the distinct ones).

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

Adding to 122111102120 its reverse (21201111221), we get a palindrome (143312213341).

The spelling of 122111102120 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred two thousand, one hundred twenty".