121022122120 has 32 divisors (see below), whose sum is σ = 288317410200. Its totient is φ = 45561269248.

The previous prime is 121022122061. The next prime is 121022122189. The reversal of 121022122120 is 21221220121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 94080839076 + 26941283044 = 306726^2 + 164138^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121022122094 and 121022122103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88986175 + ... + 88987534.

Almost surely, 2^121022122120 is an apocalyptic number.

121022122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121022122120 is an abundant number, since it is smaller than the sum of its proper divisors (167295288080).

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

121022122120 is a wasteful number, since it uses less digits than its factorization.

121022122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177973737 (or 177973733 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121022122120 its reverse (21221220121), we get a palindrome (142243342241).

The spelling of 121022122120 in words is "one hundred twenty-one billion, twenty-two million, one hundred twenty-two thousand, one hundred twenty".