10101992 has 32 divisors (see below), whose sum is σ = 19681920. Its totient is φ = 4857600.

The previous prime is 10101979. The next prime is 10102003. The reversal of 10101992 is 29910101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24992 + ... + 25392.

It is an arithmetic number, because the mean of its divisors is an integer number (615060).

Almost surely, 2^10101992 is an apocalyptic number.

It is an amenable number.

10101992 is a deficient number, since it is larger than the sum of its proper divisors (9579928).

10101992 is a wasteful number, since it uses less digits than its factorization.

10101992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 10101992 is about 3178.3631007171. The cubic root of 10101992 is about 216.1734432248.

The spelling of 10101992 in words is "ten million, one hundred one thousand, nine hundred ninety-two".