130021100321 has 16 divisors (see below), whose sum is σ = 149514193920. Its totient is φ = 110757929040.

The previous prime is 130021100303. The next prime is 130021100329. The reversal of 130021100321 is 123001120031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130021100321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130021100296 and 130021100305.

It is not an unprimeable number, because it can be changed into a prime (130021100329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10200170 + ... + 10212908.

It is an arithmetic number, because the mean of its divisors is an integer number (9344637120).

Almost surely, 2^130021100321 is an apocalyptic number.

It is an amenable number.

130021100321 is a deficient number, since it is larger than the sum of its proper divisors (19493093599).

130021100321 is a wasteful number, since it uses less digits than its factorization.

130021100321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21644.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 130021100321 its reverse (123001120031), we get a palindrome (253022220352).

The spelling of 130021100321 in words is "one hundred thirty billion, twenty-one million, one hundred thousand, three hundred twenty-one".