220231121320113 has 16 divisors (see below), whose sum is σ = 309123730697280. Its totient is φ = 139081000748544.

The previous prime is 220231121320081. The next prime is 220231121320117. The reversal of 220231121320113 is 311023121132022.

It is not a de Polignac number, because 220231121320113 - 2⁵ = 220231121320081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220231121320117) 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, 170727256 + ... + 172012377.

It is an arithmetic number, because the mean of its divisors is an integer number (19320233168580).

Almost surely, 2^{220231121320113} is an apocalyptic number.

It is an amenable number.

220231121320113 is a deficient number, since it is larger than the sum of its proper divisors (88892609377167).

220231121320113 is a wasteful number, since it uses less digits than its factorization.

220231121320113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342750928.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 220231121320113 its reverse (311023121132022), we get a palindrome (531254242452135).

The spelling of 220231121320113 in words is "two hundred twenty trillion, two hundred thirty-one billion, one hundred twenty-one million, three hundred twenty thousand, one hundred thirteen".