122120111020 has 48 divisors (see below), whose sum is σ = 264770972928. Its totient is φ = 47264071680.

The previous prime is 122120110967. The next prime is 122120111023. The reversal of 122120111020 is 20111021221.

122120111020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (122120111023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4510644 + ... + 4537636.

It is an arithmetic number, because the mean of its divisors is an integer number (5516061936).

Almost surely, 2^122120111020 is an apocalyptic number.

122120111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122120111020 is an abundant number, since it is smaller than the sum of its proper divisors (142650861908).

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

122120111020 is a wasteful number, since it uses less digits than its factorization.

122120111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34330 (or 34328 counting only the distinct ones).

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

Adding to 122120111020 its reverse (20111021221), we get a palindrome (142231132241).

The spelling of 122120111020 in words is "one hundred twenty-two billion, one hundred twenty million, one hundred eleven thousand, twenty".