10020111209984 has 80 divisors (see below), whose sum is σ = 20166029934336. Its totient is φ = 4973717760000.

The previous prime is 10020111209923. The next prime is 10020111209993. The reversal of 10020111209984 is 48990211102001.

It is a congruent number.

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, 124200059 + ... + 124280709.

Almost surely, 2^{10020111209984} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10020111209984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10083014967168).

10020111209984 is an abundant number, since it is smaller than the sum of its proper divisors (10145918724352).

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

10020111209984 is an equidigital number, since it uses as much as digits as its factorization.

10020111209984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82427 (or 82411 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 38.

The spelling of 10020111209984 in words is "ten trillion, twenty billion, one hundred eleven million, two hundred nine thousand, nine hundred eighty-four".