111221312314 has 64 divisors (see below), whose sum is σ = 199940025600. Its totient is φ = 45396868608.

The previous prime is 111221312309. The next prime is 111221312317. The reversal of 111221312314 is 413213122111.

It is not an unprimeable number, because it can be changed into a prime (111221312317) 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, 8853862 + ... + 8866414.

It is an arithmetic number, because the mean of its divisors is an integer number (3124062900).

Almost surely, 2^111221312314 is an apocalyptic number.

111221312314 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

111221312314 is a deficient number, since it is larger than the sum of its proper divisors (88718713286).

111221312314 is a wasteful number, since it uses less digits than its factorization.

111221312314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12887.

The product of its digits is 288, while the sum is 22.

Adding to 111221312314 its reverse (413213122111), we get a palindrome (524434434425).

The spelling of 111221312314 in words is "one hundred eleven billion, two hundred twenty-one million, three hundred twelve thousand, three hundred fourteen".