100392021396 has 36 divisors (see below), whose sum is σ = 259670322912. Its totient is φ = 32685773904.

The previous prime is 100392021383. The next prime is 100392021397. The reversal of 100392021396 is 693120293001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 100392021396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100392021397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32424816 + ... + 32427911.

Almost surely, 2^100392021396 is an apocalyptic number.

It is an amenable number.

100392021396 is an abundant number, since it is smaller than the sum of its proper divisors (159278301516).

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

100392021396 is a wasteful number, since it uses less digits than its factorization.

100392021396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64852780 (or 64852775 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The spelling of 100392021396 in words is "one hundred billion, three hundred ninety-two million, twenty-one thousand, three hundred ninety-six".