111100131222 has 16 divisors (see below), whose sum is σ = 222256834752. Its totient is φ = 37023948360.

The previous prime is 111100131221. The next prime is 111100131239. The reversal of 111100131222 is 222131001111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100131221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2331628 + ... + 2378799.

It is an arithmetic number, because the mean of its divisors is an integer number (13891052172).

Almost surely, 2^111100131222 is an apocalyptic number.

111100131222 is an abundant number, since it is smaller than the sum of its proper divisors (111156703530).

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

111100131222 is a wasteful number, since it uses less digits than its factorization.

111100131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4714363.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111100131222 its reverse (222131001111), we get a palindrome (333231132333).

The spelling of 111100131222 in words is "one hundred eleven billion, one hundred million, one hundred thirty-one thousand, two hundred twenty-two".