220124310111 has 6 divisors (see below), whose sum is σ = 317957336840. Its totient is φ = 146749540068.

The previous prime is 220124310089. The next prime is 220124310113. The reversal of 220124310111 is 111013421022.

220124310111 is a `hidden beast` number, since 220 + 1 + 2 + 431 + 0 + 1 + 11 = 666.

It is not a de Polignac number, because 220124310111 - 2⁹ = 220124309599 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 (220124310113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12229128331 + ... + 12229128348.

Almost surely, 2^220124310111 is an apocalyptic number.

220124310111 is a deficient number, since it is larger than the sum of its proper divisors (97833026729).

220124310111 is a wasteful number, since it uses less digits than its factorization.

220124310111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24458256685 (or 24458256682 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 220124310111 its reverse (111013421022), we get a palindrome (331137731133).

The spelling of 220124310111 in words is "two hundred twenty billion, one hundred twenty-four million, three hundred ten thousand, one hundred eleven".