21322021100193 has 24 divisors (see below), whose sum is σ = 33598485554400. Its totient is φ = 12922379616960.

The previous prime is 21322021100183. The next prime is 21322021100209. The reversal of 21322021100193 is 39100112022312.

21322021100193 is a `hidden beast` number, since 213 + 220 + 211 + 0 + 0 + 19 + 3 = 666.

It is not a de Polignac number, because 21322021100193 - 2⁵ = 21322021100161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21322021100183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35550405 + ... + 36145197.

It is an arithmetic number, because the mean of its divisors is an integer number (1399936898100).

Almost surely, 2^{21322021100193} is an apocalyptic number.

It is an amenable number.

21322021100193 is a deficient number, since it is larger than the sum of its proper divisors (12276464454207).

21322021100193 is a wasteful number, since it uses less digits than its factorization.

21322021100193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956909 (or 956906 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 21322021100193 in words is "twenty-one trillion, three hundred twenty-two billion, twenty-one million, one hundred thousand, one hundred ninety-three".