21030012100092 has 12 divisors (see below), whose sum is σ = 49070028233576. Its totient is φ = 7010004033360.

The previous prime is 21030012100087. The next prime is 21030012100121. The reversal of 21030012100092 is 29000121003012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×21030012100092² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876250504159 + ... + 876250504182.

Almost surely, 2^{21030012100092} is an apocalyptic number.

It is an amenable number.

21030012100092 is an abundant number, since it is smaller than the sum of its proper divisors (28040016133484).

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

21030012100092 is a wasteful number, since it uses less digits than its factorization.

21030012100092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752501008348 (or 1752501008346 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The spelling of 21030012100092 in words is "twenty-one trillion, thirty billion, twelve million, one hundred thousand, ninety-two".