121021112022120 has 48 divisors (see below), whose sum is σ = 393318614073060. Its totient is φ = 32272296539136.

The previous prime is 121021112022043. The next prime is 121021112022163. The reversal of 121021112022120 is 21220211120121.

121021112022120 is a `hidden beast` number, since 1 + 210 + 211 + 1 + 2 + 0 + 221 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 100003160024964 + 21017951997156 = 10000158^2 + 4584534^2 .

It is a super-2 number, since 2×121021112022120² (a number of 29 digits) contains 22 as substring.

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 = 121021112022093 and 121021112022102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168084877449 + ... + 168084878168.

Almost surely, 2^{121021112022120} is an apocalyptic number.

121021112022120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121021112022120 is an abundant number, since it is smaller than the sum of its proper divisors (272297502050940).

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

121021112022120 is a wasteful number, since it uses less digits than its factorization.

121021112022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336169755634 (or 336169755627 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121021112022120 its reverse (21220211120121), we get a palindrome (142241323142241).

The spelling of 121021112022120 in words is "one hundred twenty-one trillion, twenty-one billion, one hundred twelve million, twenty-two thousand, one hundred twenty".