111312132222 has 16 divisors (see below), whose sum is σ = 228641136912. Its totient is φ = 36101232000.

The previous prime is 111312132199. The next prime is 111312132247. The reversal of 111312132222 is 222231213111.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250702779 + ... + 250703222.

It is an arithmetic number, because the mean of its divisors is an integer number (14290071057).

Almost surely, 2^111312132222 is an apocalyptic number.

111312132222 is an abundant number, since it is smaller than the sum of its proper divisors (117329004690).

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

111312132222 is a wasteful number, since it uses less digits than its factorization.

111312132222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501406043.

The product of its digits is 288, while the sum is 21.

Adding to 111312132222 its reverse (222231213111), we get a palindrome (333543345333).

The spelling of 111312132222 in words is "one hundred eleven billion, three hundred twelve million, one hundred thirty-two thousand, two hundred twenty-two".