221113301213 has 16 divisors (see below), whose sum is σ = 256244551680. Its totient is φ = 186874427376.

The previous prime is 221113301207. The next prime is 221113301219. The reversal of 221113301213 is 312103311122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (221113301207) and next prime (221113301219).

It is not a de Polignac number, because 221113301213 - 2¹⁶ = 221113235677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221113301219) 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, 141806 + ... + 679952.

It is an arithmetic number, because the mean of its divisors is an integer number (16015284480).

Almost surely, 2^221113301213 is an apocalyptic number.

It is an amenable number.

221113301213 is a deficient number, since it is larger than the sum of its proper divisors (35131250467).

221113301213 is an equidigital number, since it uses as much as digits as its factorization.

221113301213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538976.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 221113301213 its reverse (312103311122), we get a palindrome (533216612335).

Subtracting 221113301213 from its reverse (312103311122), we obtain a palindrome (90990009909).

The spelling of 221113301213 in words is "two hundred twenty-one billion, one hundred thirteen million, three hundred one thousand, two hundred thirteen".