100021011102 has 24 divisors (see below), whose sum is σ = 218147376720. Its totient is φ = 33119539200.

The previous prime is 100021011047. The next prime is 100021011121. The reversal of 100021011102 is 201110120001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18397027 + ... + 18402462.

It is an arithmetic number, because the mean of its divisors is an integer number (9089474030).

Almost surely, 2^100021011102 is an apocalyptic number.

100021011102 is an abundant number, since it is smaller than the sum of its proper divisors (118126365618).

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

100021011102 is a wasteful number, since it uses less digits than its factorization.

100021011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36799648 (or 36799645 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100021011102 its reverse (201110120001), we get a palindrome (301131131103).

The spelling of 100021011102 in words is "one hundred billion, twenty-one million, eleven thousand, one hundred two".