121002112020112 has 10 divisors (see below), whose sum is σ = 234441592038998. Its totient is φ = 60501056010048.

The previous prime is 121002112020089. The next prime is 121002112020113. The reversal of 121002112020112 is 211020211200121.

It can be written as a sum of positive squares in only one way, i.e., 86935558757776 + 34066553262336 = 9323924^2 + 5836656^2 .

It is a super-2 number, since 2×121002112020112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 7562632001257 = 121002112020112 / (1 + 2 + 1 + 0 + 0 + 2 + 1 + 1 + 2 + 0 + 2 + 0 + 1 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (121002112020113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3781316000613 + ... + 3781316000644.

Almost surely, 2^{121002112020112} is an apocalyptic number.

It is an amenable number.

121002112020112 is a deficient number, since it is larger than the sum of its proper divisors (113439480018886).

121002112020112 is an equidigital number, since it uses as much as digits as its factorization.

121002112020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7562632001265 (or 7562632001259 counting only the distinct ones).

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

Adding to 121002112020112 its reverse (211020211200121), we get a palindrome (332022323220233).

The spelling of 121002112020112 in words is "one hundred twenty-one trillion, two billion, one hundred twelve million, twenty thousand, one hundred twelve".