10100021100 has 72 divisors (see below), whose sum is σ = 31470642000. Its totient is φ = 2486158080.

The previous prime is 10100021089. The next prime is 10100021111. The reversal of 10100021100 is 112000101.

It is an interprime number because it is at equal distance from previous prime (10100021089) and next prime (10100021111).

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 23 ways as a sum of consecutive naturals, for example, 1290975 + ... + 1298774.

It is an arithmetic number, because the mean of its divisors is an integer number (437092250).

Almost surely, 2^10100021100 is an apocalyptic number.

10100021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10100021100 is an abundant number, since it is smaller than the sum of its proper divisors (21370620900).

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

10100021100 is a wasteful number, since it uses less digits than its factorization.

10100021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589779 (or 2589772 counting only the distinct ones).

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

Adding to 10100021100 its reverse (112000101), we get a palindrome (10212021201).

The spelling of 10100021100 in words is "ten billion, one hundred million, twenty-one thousand, one hundred".