111122231320 has 32 divisors (see below), whose sum is σ = 258646575600. Its totient is φ = 42916171648.

The previous prime is 111122231309. The next prime is 111122231321. The reversal of 111122231320 is 23132221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122231321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47896354 + ... + 47898673.

Almost surely, 2^111122231320 is an apocalyptic number.

111122231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111122231320 is an abundant number, since it is smaller than the sum of its proper divisors (147524344280).

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

111122231320 is a wasteful number, since it uses less digits than its factorization.

111122231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95795067 (or 95795063 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111122231320 its reverse (23132221111), we get a palindrome (134254452431).

The spelling of 111122231320 in words is "one hundred eleven billion, one hundred twenty-two million, two hundred thirty-one thousand, three hundred twenty".