113220220311 has 16 divisors (see below), whose sum is σ = 182982174720. Its totient is φ = 68618315160.

The previous prime is 113220220307. The next prime is 113220220327. The reversal of 113220220311 is 113022022311.

113220220311 is a `hidden beast` number, since 1 + 132 + 2 + 0 + 220 + 311 = 666.

It is not a de Polignac number, because 113220220311 - 2² = 113220220307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113220220331) 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, 190606135 + ... + 190606728.

It is an arithmetic number, because the mean of its divisors is an integer number (11436385920).

Almost surely, 2^113220220311 is an apocalyptic number.

113220220311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113220220311 is a deficient number, since it is larger than the sum of its proper divisors (69761954409).

113220220311 is a wasteful number, since it uses less digits than its factorization.

113220220311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381212883 (or 381212877 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 113220220311 its reverse (113022022311), we get a palindrome (226242242622).

The spelling of 113220220311 in words is "one hundred thirteen billion, two hundred twenty million, two hundred twenty thousand, three hundred eleven".