100010011020 has 48 divisors (see below), whose sum is σ = 285311587680. Its totient is φ = 26166140416.

The previous prime is 100010011007. The next prime is 100010011039. The reversal of 100010011020 is 20110010001.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15721665 + ... + 15728024.

It is an arithmetic number, because the mean of its divisors is an integer number (5943991410).

Almost surely, 2^100010011020 is an apocalyptic number.

100010011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100010011020 is an abundant number, since it is smaller than the sum of its proper divisors (185301576660).

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

100010011020 is a wasteful number, since it uses less digits than its factorization.

100010011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31449754 (or 31449752 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 100010011020 its reverse (20110010001), we get a palindrome (120120021021).

The spelling of 100010011020 in words is "one hundred billion, ten million, eleven thousand, twenty".