2021188604952 has 128 divisors (see below), whose sum is σ = 5555710425600. Its totient is φ = 607666713600.

The previous prime is 2021188604947. The next prime is 2021188604983. The reversal of 2021188604952 is 2594068811202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67944802 + ... + 67974542.

It is an arithmetic number, because the mean of its divisors is an integer number (43403987700).

Almost surely, 2^{2021188604952} is an apocalyptic number.

2021188604952 is a gapful number since it is divisible by the number (22) 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 2021188604952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2777855212800).

2021188604952 is an abundant number, since it is smaller than the sum of its proper divisors (3534521820648).

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

2021188604952 is a wasteful number, since it uses less digits than its factorization.

2021188604952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31777 (or 31773 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 2021188604952 in words is "two trillion, twenty-one billion, one hundred eighty-eight million, six hundred four thousand, nine hundred fifty-two".