111220222113 has 384 divisors, whose sum is σ = 235192688640. Its totient is φ = 48776048640.

The previous prime is 111220222103. The next prime is 111220222147. The reversal of 111220222113 is 311222022111.

111220222113 is a `hidden beast` number, since 111 + 220 + 222 + 113 = 666.

It is not a de Polignac number, because 111220222113 - 2⁸ = 111220221857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111220222103) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 682332570 + ... + 682332732.

It is an arithmetic number, because the mean of its divisors is an integer number (612480960).

Almost surely, 2^111220222113 is an apocalyptic number.

111220222113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111220222113 is an abundant number, since it is smaller than the sum of its proper divisors (123972466527).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111220222113 is a wasteful number, since it uses less digits than its factorization.

111220222113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 346 counting only the distinct ones).

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

Adding to 111220222113 its reverse (311222022111), we get a palindrome (422442244224).

It can be divided in two parts, 111220 and 222113, that added together give a palindrome (333333).

The spelling of 111220222113 in words is "one hundred eleven billion, two hundred twenty million, two hundred twenty-two thousand, one hundred thirteen".