221313331113013 has 16 divisors (see below), whose sum is σ = 234003128426496. Its totient is φ = 208980583827120.

The previous prime is 221313331112999. The next prime is 221313331113073. The reversal of 221313331113013 is 310311133313122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 221313331113013 - 2⁵ = 221313331112981 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 (221313331113073) 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, 83138545 + ... + 85759222.

It is an arithmetic number, because the mean of its divisors is an integer number (14625195526656).

Almost surely, 2^{221313331113013} is an apocalyptic number.

It is an amenable number.

221313331113013 is a deficient number, since it is larger than the sum of its proper divisors (12689797313483).

221313331113013 is a wasteful number, since it uses less digits than its factorization.

221313331113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168898824.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 221313331113013 its reverse (310311133313122), we get a palindrome (531624464426135).

The spelling of 221313331113013 in words is "two hundred twenty-one trillion, three hundred thirteen billion, three hundred thirty-one million, one hundred thirteen thousand, thirteen".