21100233320986 has 8 divisors (see below), whose sum is σ = 31650917125824. Its totient is φ = 10549927612380.

The previous prime is 21100233320953. The next prime is 21100233320987. The reversal of 21100233320986 is 68902333200112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×21100233320986³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21100233320987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94384500 + ... + 94607791.

It is an arithmetic number, because the mean of its divisors is an integer number (3956364640728).

Almost surely, 2^{21100233320986} is an apocalyptic number.

21100233320986 is a deficient number, since it is larger than the sum of its proper divisors (10550683804838).

21100233320986 is a wasteful number, since it uses less digits than its factorization.

21100233320986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189048116.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 21100233320986 in words is "twenty-one trillion, one hundred billion, two hundred thirty-three million, three hundred twenty thousand, nine hundred eighty-six".