130221002131 has 4 divisors (see below), whose sum is σ = 142059275064. Its totient is φ = 118382729200.

The previous prime is 130221002101. The next prime is 130221002141. The reversal of 130221002131 is 131200122031.

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 130221002131 - 2⁹ = 130221001619 is a prime.

It is a super-2 number, since 2×130221002131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130221002101) 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, 5919136450 + ... + 5919136471.

It is an arithmetic number, because the mean of its divisors is an integer number (35514818766).

Almost surely, 2^130221002131 is an apocalyptic number.

130221002131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130221002131 is a deficient number, since it is larger than the sum of its proper divisors (11838272933).

130221002131 is a wasteful number, since it uses less digits than its factorization.

130221002131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11838272932.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 130221002131 its reverse (131200122031), we get a palindrome (261421124162).

The spelling of 130221002131 in words is "one hundred thirty billion, two hundred twenty-one million, two thousand, one hundred thirty-one".