111201223319 has 4 divisors (see below), whose sum is σ = 113913448320. Its totient is φ = 108488998320.

The previous prime is 111201223307. The next prime is 111201223333. The reversal of 111201223319 is 913322102111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111201223319 - 2¹⁶ = 111201157783 is a prime.

It is a super-2 number, since 2×111201223319² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201223369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1356112439 + ... + 1356112520.

It is an arithmetic number, because the mean of its divisors is an integer number (28478362080).

Almost surely, 2^111201223319 is an apocalyptic number.

111201223319 is a deficient number, since it is larger than the sum of its proper divisors (2712225001).

111201223319 is an equidigital number, since it uses as much as digits as its factorization.

111201223319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712225000.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 111201223319 in words is "one hundred eleven billion, two hundred one million, two hundred twenty-three thousand, three hundred nineteen".