220112221320231 has 16 divisors (see below), whose sum is σ = 299130351114240. Its totient is φ = 143919822777120.

The previous prime is 220112221320209. The next prime is 220112221320239. The reversal of 220112221320231 is 132023122211022.

It is not a de Polignac number, because 220112221320231 - 2¹⁵ = 220112221287463 is a prime.

It is a super-2 number, since 2×220112221320231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220112221320239) 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, 254138035 + ... + 255002676.

It is an arithmetic number, because the mean of its divisors is an integer number (18695646944640).

Almost surely, 2^{220112221320231} is an apocalyptic number.

220112221320231 is a deficient number, since it is larger than the sum of its proper divisors (79018129794009).

220112221320231 is a wasteful number, since it uses less digits than its factorization.

220112221320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509143486.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 220112221320231 its reverse (132023122211022), we get a palindrome (352135343531253).

The spelling of 220112221320231 in words is "two hundred twenty trillion, one hundred twelve billion, two hundred twenty-one million, three hundred twenty thousand, two hundred thirty-one".