111122134400 has 48 divisors (see below), whose sum is σ = 274506405540. Its totient is φ = 44448852480.

The previous prime is 111122134379. The next prime is 111122134433. The reversal of 111122134400 is 4431221111.

It is a super-2 number, since 2×111122134400² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 17359634 + ... + 17366033.

Almost surely, 2^111122134400 is an apocalyptic number.

111122134400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111122134400 is an abundant number, since it is smaller than the sum of its proper divisors (163384271140).

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

111122134400 is an equidigital number, since it uses as much as digits as its factorization.

111122134400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34725691 (or 34725674 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 111122134400 its reverse (4431221111), we get a palindrome (115553355511).

The spelling of 111122134400 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred thirty-four thousand, four hundred".