2132011330021 has 4 divisors (see below), whose sum is σ = 2132389284844. Its totient is φ = 2131633375200.

The previous prime is 2132011330013. The next prime is 2132011330037. The reversal of 2132011330021 is 1200331102312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2091245700996 + 40765629025 = 1446114^2 + 201905^2 .

It is a cyclic number.

It is not a de Polignac number, because 2132011330021 - 2³ = 2132011330013 is a prime.

It is a super-2 number, since 2×2132011330021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132011330921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188968950 + ... + 188980231.

It is an arithmetic number, because the mean of its divisors is an integer number (533097321211).

Almost surely, 2^{2132011330021} is an apocalyptic number.

It is an amenable number.

2132011330021 is a deficient number, since it is larger than the sum of its proper divisors (377954823).

2132011330021 is an equidigital number, since it uses as much as digits as its factorization.

2132011330021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377954822.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2132011330021 its reverse (1200331102312), we get a palindrome (3332342432333).

The spelling of 2132011330021 in words is "two trillion, one hundred thirty-two billion, eleven million, three hundred thirty thousand, twenty-one".