221320030322131 has 8 divisors (see below), whose sum is σ = 238344790060944. Its totient is φ = 204295290872160.

The previous prime is 221320030322119. The next prime is 221320030322177. The reversal of 221320030322131 is 131223030023122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221320030322131 - 2⁹ = 221320030321619 is a prime.

It is a super-2 number, since 2×221320030322131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221320030322096 and 221320030322105.

It is not an unprimeable number, because it can be changed into a prime (221320030320131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23577240 + ... + 31599466.

It is an arithmetic number, because the mean of its divisors is an integer number (29793098757618).

Almost surely, 2^{221320030322131} is an apocalyptic number.

221320030322131 is a deficient number, since it is larger than the sum of its proper divisors (17024759738813).

221320030322131 is a wasteful number, since it uses less digits than its factorization.

221320030322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10144421.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 221320030322131 its reverse (131223030023122), we get a palindrome (352543060345253).

The spelling of 221320030322131 in words is "two hundred twenty-one trillion, three hundred twenty billion, thirty million, three hundred twenty-two thousand, one hundred thirty-one".