2121011000112 has 80 divisors (see below), whose sum is σ = 5567478801408. Its totient is φ = 695708870400.

The previous prime is 2121011000089. The next prime is 2121011000153. The reversal of 2121011000112 is 2110001101212.

It is a super-2 number, since 2×2121011000112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551808 + ... + 2132255.

Almost surely, 2^{2121011000112} is an apocalyptic number.

It is an amenable number.

2121011000112 is an abundant number, since it is smaller than the sum of its proper divisors (3446467801296).

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

2121011000112 is a wasteful number, since it uses less digits than its factorization.

2121011000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684338 (or 2684332 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2121011000112 its reverse (2110001101212), we get a palindrome (4231012101324).

The spelling of 2121011000112 in words is "two trillion, one hundred twenty-one billion, eleven million, one hundred twelve", and thus it is an aban number.