120111022111122 has 32 divisors (see below), whose sum is σ = 305043865680000. Its totient is φ = 34317434888784.

The previous prime is 120111022111121. The next prime is 120111022111187. The reversal of 120111022111122 is 221111220111021.

It is a happy number.

120111022111122 is a `hidden beast` number, since 1 + 201 + 110 + 221 + 11 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120111022111095 and 120111022111104.

It is not an unprimeable number, because it can be changed into a prime (120111022111121) 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, 158877012997 + ... + 158877013752.

It is an arithmetic number, because the mean of its divisors is an integer number (9532620802500).

Almost surely, 2^{120111022111122} is an apocalyptic number.

120111022111122 is an abundant number, since it is smaller than the sum of its proper divisors (184932843568878).

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

120111022111122 is a wasteful number, since it uses less digits than its factorization.

120111022111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317754026767 (or 317754026761 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 120111022111122 its reverse (221111220111021), we get a palindrome (341222242222143).

The spelling of 120111022111122 in words is "one hundred twenty trillion, one hundred eleven billion, twenty-two million, one hundred eleven thousand, one hundred twenty-two".