111312312130022 has 16 divisors (see below), whose sum is σ = 167566086921744. Its totient is φ = 55456957920000.

The previous prime is 111312312130021. The next prime is 111312312130031. The reversal of 111312312130022 is 220031213213111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111312312130022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312312130021) 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, 25837022 + ... + 29835822.

It is an arithmetic number, because the mean of its divisors is an integer number (10472880432609).

Almost surely, 2^{111312312130022} is an apocalyptic number.

111312312130022 is a deficient number, since it is larger than the sum of its proper divisors (56253774791722).

111312312130022 is a wasteful number, since it uses less digits than its factorization.

111312312130022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048615.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 111312312130022 its reverse (220031213213111), we get a palindrome (331343525343133).

The spelling of 111312312130022 in words is "one hundred eleven trillion, three hundred twelve billion, three hundred twelve million, one hundred thirty thousand, twenty-two".