221331120313 has 8 divisors (see below), whose sum is σ = 228999628800. Its totient is φ = 213665038608.

The previous prime is 221331120293. The next prime is 221331120379. The reversal of 221331120313 is 313021133122.

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

It is not a de Polignac number, because 221331120313 - 2³³ = 212741185721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221331123313) 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, 420153 + ... + 786886.

It is an arithmetic number, because the mean of its divisors is an integer number (28624953600).

Almost surely, 2^221331120313 is an apocalyptic number.

It is an amenable number.

221331120313 is a deficient number, since it is larger than the sum of its proper divisors (7668508487).

221331120313 is a wasteful number, since it uses less digits than its factorization.

221331120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213391.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 221331120313 its reverse (313021133122), we get a palindrome (534352253435).

The spelling of 221331120313 in words is "two hundred twenty-one billion, three hundred thirty-one million, one hundred twenty thousand, three hundred thirteen".