10221320132131 has 4 divisors (see below), whose sum is σ = 10497572027632. Its totient is φ = 9945068236632.

The previous prime is 10221320132087. The next prime is 10221320132143. The reversal of 10221320132131 is 13123102312201.

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

It is a cyclic number.

It is not a de Polignac number, because 10221320132131 - 2²⁵ = 10221286577699 is a prime.

It is a super-2 number, since 2×10221320132131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221320132161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138125947695 + ... + 138125947768.

It is an arithmetic number, because the mean of its divisors is an integer number (2624393006908).

Almost surely, 2^{10221320132131} is an apocalyptic number.

10221320132131 is a deficient number, since it is larger than the sum of its proper divisors (276251895501).

10221320132131 is an equidigital number, since it uses as much as digits as its factorization.

10221320132131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276251895500.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 10221320132131 its reverse (13123102312201), we get a palindrome (23344422444332).

The spelling of 10221320132131 in words is "ten trillion, two hundred twenty-one billion, three hundred twenty million, one hundred thirty-two thousand, one hundred thirty-one".