221132012313 has 8 divisors (see below), whose sum is σ = 294853990176. Its totient is φ = 147415688000.

The previous prime is 221132012279. The next prime is 221132012317. The reversal of 221132012313 is 313210231122.

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 221132012313 - 2²⁹ = 220595141401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221132012313.

It is not an unprimeable number, because it can be changed into a prime (221132012317) 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, 1321263 + ... + 1479188.

It is an arithmetic number, because the mean of its divisors is an integer number (36856748772).

Almost surely, 2^221132012313 is an apocalyptic number.

It is an amenable number.

221132012313 is a deficient number, since it is larger than the sum of its proper divisors (73721977863).

221132012313 is a wasteful number, since it uses less digits than its factorization.

221132012313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826775.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 221132012313 its reverse (313210231122), we get a palindrome (534342243435).

The spelling of 221132012313 in words is "two hundred twenty-one billion, one hundred thirty-two million, twelve thousand, three hundred thirteen".