121002000112 has 20 divisors (see below), whose sum is σ = 267933000496. Its totient is φ = 51858000000.

The previous prime is 121002000047. The next prime is 121002000113. The reversal of 121002000112 is 211000200121.

It is a super-2 number, since 2×121002000112² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002000113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540187389 + ... + 540187612.

Almost surely, 2^121002000112 is an apocalyptic number.

It is an amenable number.

121002000112 is an abundant number, since it is smaller than the sum of its proper divisors (146931000384).

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

121002000112 is a wasteful number, since it uses less digits than its factorization.

121002000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080375016 (or 1080375010 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 121002000112 its reverse (211000200121), we get a palindrome (332002200233).

Subtracting 121002000112 from its reverse (211000200121), we obtain a square (89998200009 = 299997²).

The spelling of 121002000112 in words is "one hundred twenty-one billion, two million, one hundred twelve", and thus it is an aban number.