2021000211960 has 64 divisors (see below), whose sum is σ = 6063133063680. Its totient is φ = 538921618560.

The previous prime is 2021000211929. The next prime is 2021000211961. The reversal of 2021000211960 is 691120001202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2021000211960.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021000211961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6273789 + ... + 6588051.

It is an arithmetic number, because the mean of its divisors is an integer number (94736454120).

Almost surely, 2^{2021000211960} is an apocalyptic number.

2021000211960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021000211960 is an abundant number, since it is smaller than the sum of its proper divisors (4042132851720).

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

2021000211960 is a wasteful number, since it uses less digits than its factorization.

2021000211960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367868 (or 367864 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 2021000211960 in words is "two trillion, twenty-one billion, two hundred eleven thousand, nine hundred sixty".