921010011312 has 40 divisors (see below), whose sum is σ = 2379504559104. Its totient is φ = 306973827904.

The previous prime is 921010011287. The next prime is 921010011329. The reversal of 921010011312 is 213110010129.

It is a happy number.

It is a super-2 number, since 2×921010011312² (a number of 25 digits) contains 22 as substring.

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, 414708 + ... + 1419155.

Almost surely, 2^921010011312 is an apocalyptic number.

It is an amenable number.

921010011312 is an abundant number, since it is smaller than the sum of its proper divisors (1458494547792).

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

921010011312 is a wasteful number, since it uses less digits than its factorization.

921010011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844337 (or 1844331 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 21.

The spelling of 921010011312 in words is "nine hundred twenty-one billion, ten million, eleven thousand, three hundred twelve".