121002112112 has 40 divisors (see below), whose sum is σ = 267999724896. Its totient is φ = 51845181696.

The previous prime is 121002112097. The next prime is 121002112129. The reversal of 121002112112 is 211211200121.

It is a super-2 number, since 2×121002112112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

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, 326438 + ... + 590394.

Almost surely, 2^121002112112 is an apocalyptic number.

It is an amenable number.

121002112112 is an abundant number, since it is smaller than the sum of its proper divisors (146997612784).

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

121002112112 is a wasteful number, since it uses less digits than its factorization.

121002112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268065 (or 268059 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121002112112 its reverse (211211200121), we get a palindrome (332213312233).

It can be divided in two parts, 12100 and 2112112, that added together give a palindrome (2124212).

The spelling of 121002112112 in words is "one hundred twenty-one billion, two million, one hundred twelve thousand, one hundred twelve".