2132012210021 has 2 divisors, whose sum is σ = 2132012210022. Its totient is φ = 2132012210020.

The previous prime is 2132012209961. The next prime is 2132012210047. The reversal of 2132012210021 is 1200122102312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1406382528100 + 725629681921 = 1185910^2 + 851839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2132012210021 is a prime.

It is a super-2 number, since 2×2132012210021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2132012219021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066006105010 + 1066006105011.

It is an arithmetic number, because the mean of its divisors is an integer number (1066006105011).

Almost surely, 2^{2132012210021} is an apocalyptic number.

It is an amenable number.

2132012210021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132012210021 is an equidigital number, since it uses as much as digits as its factorization.

2132012210021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2132012210021 its reverse (1200122102312), we get a palindrome (3332134312333).

The spelling of 2132012210021 in words is "two trillion, one hundred thirty-two billion, twelve million, two hundred ten thousand, twenty-one".