21112020000092 has 12 divisors (see below), whose sum is σ = 42224040000240. Its totient is φ = 9048008571456.

The previous prime is 21112020000047. The next prime is 21112020000179. The reversal of 21112020000092 is 29000002021112.

It is a happy number.

21112020000092 is an admirable number.

It is a super-2 number, since 2×21112020000092² (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, 377000357117 + ... + 377000357172.

It is an arithmetic number, because the mean of its divisors is an integer number (3518670000020).

Almost surely, 2^{21112020000092} is an apocalyptic number.

It is an amenable number.

21112020000092 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21112020000092 is a wasteful number, since it uses less digits than its factorization.

21112020000092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754000714300 (or 754000714298 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 21112020000092 in words is "twenty-one trillion, one hundred twelve billion, twenty million, ninety-two", and thus it is an aban number.