21000001112092 has 12 divisors (see below), whose sum is σ = 36750505627080. Its totient is φ = 10499856647216.

The previous prime is 21000001112063. The next prime is 21000001112117. The reversal of 21000001112092 is 29021110000012.

It is a happy number.

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, 35648542 + ... + 36232837.

It is an arithmetic number, because the mean of its divisors is an integer number (3062542135590).

Almost surely, 2^{21000001112092} is an apocalyptic number.

It is an amenable number.

21000001112092 is a deficient number, since it is larger than the sum of its proper divisors (15750504514988).

21000001112092 is a wasteful number, since it uses less digits than its factorization.

21000001112092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71954420 (or 71954418 counting only the distinct ones).

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

The spelling of 21000001112092 in words is "twenty-one trillion, one million, one hundred twelve thousand, ninety-two".