130221213234421 has 16 divisors (see below), whose sum is σ = 132328126465920. Its totient is φ = 128122059925440.

The previous prime is 130221213234397. The next prime is 130221213234451. The reversal of 130221213234421 is 124432312122031.

It is a cyclic number.

It is not a de Polignac number, because 130221213234421 - 2¹¹ = 130221213232373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130221213234451) 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, 99846706 + ... + 101142508.

It is an arithmetic number, because the mean of its divisors is an integer number (8270507904120).

Almost surely, 2^{130221213234421} is an apocalyptic number.

It is an amenable number.

130221213234421 is a deficient number, since it is larger than the sum of its proper divisors (2106913231499).

130221213234421 is a wasteful number, since it uses less digits than its factorization.

130221213234421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298796.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 130221213234421 its reverse (124432312122031), we get a palindrome (254653525356452).

The spelling of 130221213234421 in words is "one hundred thirty trillion, two hundred twenty-one billion, two hundred thirteen million, two hundred thirty-four thousand, four hundred twenty-one".