120111212122 has 32 divisors (see below), whose sum is σ = 207121774464. Its totient is φ = 51705192000.

The previous prime is 120111212113. The next prime is 120111212167. The reversal of 120111212122 is 221212111021.

It is a junction number, because it is equal to n+sod(n) for n = 120111212096 and 120111212105.

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, 1124013 + ... + 1226224.

It is an arithmetic number, because the mean of its divisors is an integer number (6472555452).

Almost surely, 2^120111212122 is an apocalyptic number.

120111212122 is a deficient number, since it is larger than the sum of its proper divisors (87010562342).

120111212122 is a wasteful number, since it uses less digits than its factorization.

120111212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350374.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120111212122 its reverse (221212111021), we get a palindrome (341323323143).

It can be divided in two parts, 120111 and 212122, that added together give a palindrome (332233).

The spelling of 120111212122 in words is "one hundred twenty billion, one hundred eleven million, two hundred twelve thousand, one hundred twenty-two".