21020110010092 has 12 divisors (see below), whose sum is σ = 36785995710520. Its totient is φ = 10509825521376.

The previous prime is 21020110010083. The next prime is 21020110010099. The reversal of 21020110010092 is 29001001102012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21020110010099) 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, 57164742 + ... + 57531277.

Almost surely, 2^{21020110010092} is an apocalyptic number.

It is an amenable number.

21020110010092 is a deficient number, since it is larger than the sum of its proper divisors (15765885700428).

21020110010092 is a wasteful number, since it uses less digits than its factorization.

21020110010092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114741840 (or 114741838 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 21020110010092 in words is "twenty-one trillion, twenty billion, one hundred ten million, ten thousand, ninety-two".