121122111022 has 96 divisors (see below), whose sum is σ = 210714708960. Its totient is φ = 52106208000.

The previous prime is 121122111007. The next prime is 121122111049. The reversal of 121122111022 is 220111221121.

It is a junction number, because it is equal to n+sod(n) for n = 121122110987 and 121122111005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75842728 + ... + 75844324.

It is an arithmetic number, because the mean of its divisors is an integer number (2194944885).

Almost surely, 2^121122111022 is an apocalyptic number.

121122111022 is a deficient number, since it is larger than the sum of its proper divisors (89592597938).

121122111022 is a wasteful number, since it uses less digits than its factorization.

121122111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858 (or 1847 counting only the distinct ones).

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

Adding to 121122111022 its reverse (220111221121), we get a palindrome (341233332143).

The spelling of 121122111022 in words is "one hundred twenty-one billion, one hundred twenty-two million, one hundred eleven thousand, twenty-two".