921193112 has 32 divisors (see below), whose sum is σ = 2077881600. Its totient is φ = 374017824.

The previous prime is 921193111. The next prime is 921193123. The reversal of 921193112 is 211391129.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (921193111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431828 + ... + 433955.

It is an arithmetic number, because the mean of its divisors is an integer number (64933800).

Almost surely, 2^921193112 is an apocalyptic number.

It is an amenable number.

921193112 is an abundant number, since it is smaller than the sum of its proper divisors (1156688488).

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

921193112 is a wasteful number, since it uses less digits than its factorization.

921193112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865815 (or 865811 counting only the distinct ones).

The product of its digits is 972, while the sum is 29.

The square root of 921193112 is about 30351.1632725996. The cubic root of 921193112 is about 973.0090820637.

The spelling of 921193112 in words is "nine hundred twenty-one million, one hundred ninety-three thousand, one hundred twelve".