111310221999999 has 32 divisors (see below), whose sum is σ = 171514221555456. Its totient is φ = 63461137733120.

The previous prime is 111310221999967. The next prime is 111310222000009. The reversal of 111310221999999 is 999999122013111.

It is a cyclic number.

It is not a de Polignac number, because 111310221999999 - 2⁵ = 111310221999967 is a prime.

It is a super-2 number, since 2×111310221999999² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111310221929999) 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, 47805612 + ... + 50079905.

It is an arithmetic number, because the mean of its divisors is an integer number (5359819423608).

Almost surely, 2^{111310221999999} is an apocalyptic number.

111310221999999 is a deficient number, since it is larger than the sum of its proper divisors (60203999555457).

111310221999999 is a wasteful number, since it uses less digits than its factorization.

111310221999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97887575.

The product of its (nonzero) digits is 6377292, while the sum is 66.

The spelling of 111310221999999 in words is "one hundred eleven trillion, three hundred ten billion, two hundred twenty-one million, nine hundred ninety-nine thousand, nine hundred ninety-nine".