111355364321 has 12 divisors (see below), whose sum is σ = 117048979632. Its totient is φ = 105910761264.

The previous prime is 111355364311. The next prime is 111355364327. The reversal of 111355364321 is 123463553111.

It is not a de Polignac number, because 111355364321 - 2⁶ = 111355364257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111355364327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 931775 + ... + 1044468.

It is an arithmetic number, because the mean of its divisors is an integer number (9754081636).

Almost surely, 2^111355364321 is an apocalyptic number.

It is an amenable number.

111355364321 is a deficient number, since it is larger than the sum of its proper divisors (5693615311).

111355364321 is an equidigital number, since it uses as much as digits as its factorization.

111355364321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976368 (or 1976339 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The spelling of 111355364321 in words is "one hundred eleven billion, three hundred fifty-five million, three hundred sixty-four thousand, three hundred twenty-one".