2021939500000 has 336 divisors, whose sum is σ = 5717176819200. Its totient is φ = 689515200000.

The previous prime is 2021939499973. The next prime is 2021939500039. The reversal of 2021939500000 is 59391202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 696498549 + ... + 696501451.

It is an arithmetic number, because the mean of its divisors is an integer number (17015407200).

Almost surely, 2^{2021939500000} is an apocalyptic number.

2021939500000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021939500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2858588409600).

2021939500000 is an abundant number, since it is smaller than the sum of its proper divisors (3695237319200).

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

2021939500000 is an frugal number, since it uses more digits than its factorization.

2021939500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149 (or 3116 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The spelling of 2021939500000 in words is "two trillion, twenty-one billion, nine hundred thirty-nine million, five hundred thousand".