221023113020131 has 8 divisors (see below), whose sum is σ = 226164336750000. Its totient is φ = 215881941623712.

The previous prime is 221023113020113. The next prime is 221023113020219. The reversal of 221023113020131 is 131020311320122.

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 221023113020131 - 2³³ = 221014523085539 is a prime.

It is a super-3 number, since 3×221023113020131³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221023113720131) 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, 4473256 + ... + 21495493.

It is an arithmetic number, because the mean of its divisors is an integer number (28270542093750).

Almost surely, 2^{221023113020131} is an apocalyptic number.

221023113020131 is a deficient number, since it is larger than the sum of its proper divisors (5141223729869).

221023113020131 is a wasteful number, since it uses less digits than its factorization.

221023113020131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26166725.

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

Adding to 221023113020131 its reverse (131020311320122), we get a palindrome (352043424340253).

The spelling of 221023113020131 in words is "two hundred twenty-one trillion, twenty-three billion, one hundred thirteen million, twenty thousand, one hundred thirty-one".