120122111020 has 24 divisors (see below), whose sum is σ = 252290307024. Its totient is φ = 48042392256.

The previous prime is 120122111009. The next prime is 120122111023. The reversal of 120122111020 is 20111221021.

It is not an unprimeable number, because it can be changed into a prime (120122111023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249162 + ... + 549841.

It is an arithmetic number, because the mean of its divisors is an integer number (10512096126).

Almost surely, 2^120122111020 is an apocalyptic number.

120122111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120122111020 is an abundant number, since it is smaller than the sum of its proper divisors (132168196004).

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

120122111020 is a wasteful number, since it uses less digits than its factorization.

120122111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806529 (or 806527 counting only the distinct ones).

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

Adding to 120122111020 its reverse (20111221021), we get a palindrome (140233332041).

The spelling of 120122111020 in words is "one hundred twenty billion, one hundred twenty-two million, one hundred eleven thousand, twenty".