111312231223110 has 64 divisors (see below), whose sum is σ = 268039848384000. Its totient is φ = 29584332594432.

The previous prime is 111312231223103. The next prime is 111312231223111. The reversal of 111312231223110 is 11322132213111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312231223111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122953786 + ... + 123855794.

It is an arithmetic number, because the mean of its divisors is an integer number (4188122631000).

Almost surely, 2^{111312231223110} is an apocalyptic number.

111312231223110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111312231223110 is an abundant number, since it is smaller than the sum of its proper divisors (156727617160890).

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

111312231223110 is a wasteful number, since it uses less digits than its factorization.

111312231223110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915725.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 111312231223110 its reverse (11322132213111), we get a palindrome (122634363436221).

Subtracting from 111312231223110 its reverse (11322132213111), we obtain a palindrome (99990099009999).

The spelling of 111312231223110 in words is "one hundred eleven trillion, three hundred twelve billion, two hundred thirty-one million, two hundred twenty-three thousand, one hundred ten".