100021001120 has 48 divisors (see below), whose sum is σ = 236980725408. Its totient is φ = 39893080320.

The previous prime is 100021001111. The next prime is 100021001147. The reversal of 100021001120 is 21100120001.

100021001120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 100021001098 and 100021001107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845246 + ... + 956285.

It is an arithmetic number, because the mean of its divisors is an integer number (4937098446).

Almost surely, 2^100021001120 is an apocalyptic number.

100021001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100021001120 is an abundant number, since it is smaller than the sum of its proper divisors (136959724288).

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

100021001120 is a wasteful number, since it uses less digits than its factorization.

100021001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801893 (or 1801885 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100021001120 its reverse (21100120001), we get a palindrome (121121121121).

The spelling of 100021001120 in words is "one hundred billion, twenty-one million, one thousand, one hundred twenty".