113312220111 has 16 divisors (see below), whose sum is σ = 168494018400. Its totient is φ = 75260651904.

The previous prime is 113312220103. The next prime is 113312220113. The reversal of 113312220111 is 111022213311.

113312220111 is a `hidden beast` number, since 1 + 1 + 331 + 2 + 220 + 111 = 666.

It is not a de Polignac number, because 113312220111 - 2³ = 113312220103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113312220113) 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, 7793386 + ... + 7807911.

It is an arithmetic number, because the mean of its divisors is an integer number (10530876150).

Almost surely, 2^113312220111 is an apocalyptic number.

113312220111 is a deficient number, since it is larger than the sum of its proper divisors (55181798289).

113312220111 is a wasteful number, since it uses less digits than its factorization.

113312220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15601575 (or 15601569 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 113312220111 its reverse (111022213311), we get a palindrome (224334433422).

The spelling of 113312220111 in words is "one hundred thirteen billion, three hundred twelve million, two hundred twenty thousand, one hundred eleven".