100002321311020 has 48 divisors (see below), whose sum is σ = 210962202151680. Its totient is φ = 39818606985216.

The previous prime is 100002321310951. The next prime is 100002321311047. The reversal of 100002321311020 is 20113123200001.

It is a junction number, because it is equal to n+sod(n) for n = 100002321310985 and 100002321311003.

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, 59980836 + ... + 61625524.

It is an arithmetic number, because the mean of its divisors is an integer number (4395045878160).

Almost surely, 2^{100002321311020} is an apocalyptic number.

100002321311020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100002321311020 is an abundant number, since it is smaller than the sum of its proper divisors (110959880840660).

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

100002321311020 is a wasteful number, since it uses less digits than its factorization.

100002321311020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658554 (or 1658552 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 100002321311020 its reverse (20113123200001), we get a palindrome (120115444511021).

The spelling of 100002321311020 in words is "one hundred trillion, two billion, three hundred twenty-one million, three hundred eleven thousand, twenty".