111322311320 has 64 divisors (see below), whose sum is σ = 273311020800. Its totient is φ = 40471159680.

The previous prime is 111322311313. The next prime is 111322311371. The reversal of 111322311320 is 23113223111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 111322311292 and 111322311301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1960367 + ... + 2016353.

It is an arithmetic number, because the mean of its divisors is an integer number (4270484700).

Almost surely, 2^111322311320 is an apocalyptic number.

111322311320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111322311320 is an abundant number, since it is smaller than the sum of its proper divisors (161988709480).

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

111322311320 is a wasteful number, since it uses less digits than its factorization.

111322311320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60528 (or 60524 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111322311320 its reverse (23113223111), we get a palindrome (134435534431).

The spelling of 111322311320 in words is "one hundred eleven billion, three hundred twenty-two million, three hundred eleven thousand, three hundred twenty".