111312223134 has 32 divisors (see below), whose sum is σ = 255373793280. Its totient is φ = 31685260512.

The previous prime is 111312223129. The next prime is 111312223153. The reversal of 111312223134 is 431322213111.

It is a super-2 number, since 2×111312223134² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4914894 + ... + 4937489.

It is an arithmetic number, because the mean of its divisors is an integer number (7980431040).

Almost surely, 2^111312223134 is an apocalyptic number.

111312223134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

111312223134 is an abundant number, since it is smaller than the sum of its proper divisors (144061570146).

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

111312223134 is a wasteful number, since it uses less digits than its factorization.

111312223134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9852664.

The product of its digits is 864, while the sum is 24.

Adding to 111312223134 its reverse (431322213111), we get a palindrome (542634436245).

The spelling of 111312223134 in words is "one hundred eleven billion, three hundred twelve million, two hundred twenty-three thousand, one hundred thirty-four".