2021131132032 has 64 divisors (see below), whose sum is σ = 5379303303360. Its totient is φ = 672370928640.

The previous prime is 2021131132001. The next prime is 2021131132037. The reversal of 2021131132032 is 2302311311202.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (2021131132037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5038819 + ... + 5425122.

It is an arithmetic number, because the mean of its divisors is an integer number (84051614115).

Almost surely, 2^{2021131132032} is an apocalyptic number.

It is an amenable number.

2021131132032 is an abundant number, since it is smaller than the sum of its proper divisors (3358172171328).

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

2021131132032 is a wasteful number, since it uses less digits than its factorization.

2021131132032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10464461 (or 10464449 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2021131132032 its reverse (2302311311202), we get a palindrome (4323442443234).

The spelling of 2021131132032 in words is "two trillion, twenty-one billion, one hundred thirty-one million, one hundred thirty-two thousand, thirty-two".