921104012 has 6 divisors (see below), whose sum is σ = 1611932028. Its totient is φ = 460552004.

The previous prime is 921103973. The next prime is 921104017. The reversal of 921104012 is 210401129.

It is a super-2 number, since 2×921104012² = 1696865201844992288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (921104017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115137998 + ... + 115138005.

It is an arithmetic number, because the mean of its divisors is an integer number (268655338).

Almost surely, 2^921104012 is an apocalyptic number.

It is an amenable number.

921104012 is a deficient number, since it is larger than the sum of its proper divisors (690828016).

921104012 is a wasteful number, since it uses less digits than its factorization.

921104012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230276007 (or 230276005 counting only the distinct ones).

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

The square root of 921104012 is about 30349.6954185705. The cubic root of 921104012 is about 972.9777104641.

The spelling of 921104012 in words is "nine hundred twenty-one million, one hundred four thousand, twelve".