120111010122 has 64 divisors (see below), whose sum is σ = 247461837696. Its totient is φ = 38847993600.

The previous prime is 120111010099. The next prime is 120111010139. The reversal of 120111010122 is 221010111021.

It is a junction number, because it is equal to n+sod(n) for n = 120111010098 and 120111010107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38957593 + ... + 38960675.

It is an arithmetic number, because the mean of its divisors is an integer number (3866591214).

Almost surely, 2^120111010122 is an apocalyptic number.

120111010122 is an abundant number, since it is smaller than the sum of its proper divisors (127350827574).

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

120111010122 is a wasteful number, since it uses less digits than its factorization.

120111010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120111010122 its reverse (221010111021), we get a palindrome (341121121143).

The spelling of 120111010122 in words is "one hundred twenty billion, one hundred eleven million, ten thousand, one hundred twenty-two".