111344022312 has 32 divisors (see below), whose sum is σ = 278445821280. Its totient is φ = 37103238720.

The previous prime is 111344022271. The next prime is 111344022313. The reversal of 111344022312 is 213220443111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (111344022313) 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, 635014 + ... + 791157.

It is an arithmetic number, because the mean of its divisors is an integer number (8701431915).

Almost surely, 2^111344022312 is an apocalyptic number.

111344022312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111344022312 is an abundant number, since it is smaller than the sum of its proper divisors (167101798968).

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

111344022312 is a wasteful number, since it uses less digits than its factorization.

111344022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429433 (or 1429429 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 111344022312 its reverse (213220443111), we get a palindrome (324564465423).

The spelling of 111344022312 in words is "one hundred eleven billion, three hundred forty-four million, twenty-two thousand, three hundred twelve".