111310311111222 has 16 divisors (see below), whose sum is σ = 222620775429312. Its totient is φ = 37103411502600.

The previous prime is 111310311111179. The next prime is 111310311111239. The reversal of 111310311111222 is 222111113013111.

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, 4484713 + ... + 15579899.

It is an arithmetic number, because the mean of its divisors is an integer number (13913798464332).

Almost surely, 2^{111310311111222} is an apocalyptic number.

111310311111222 is an abundant number, since it is smaller than the sum of its proper divisors (111310464318090).

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

111310311111222 is a wasteful number, since it uses less digits than its factorization.

111310311111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12767243.

The product of its (nonzero) digits is 72, while the sum is 21.

Adding to 111310311111222 its reverse (222111113013111), we get a palindrome (333421424124333).

The spelling of 111310311111222 in words is "one hundred eleven trillion, three hundred ten billion, three hundred eleven million, one hundred eleven thousand, two hundred twenty-two".