1111400112 has 80 divisors (see below), whose sum is σ = 3002450688. Its totient is φ = 353591040.

The previous prime is 1111400093. The next prime is 1111400153. The reversal of 1111400112 is 2110041111.

It is a super-2 number, since 2×1111400112² = 2470420417907225088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 728983 + ... + 730505.

Almost surely, 2^1111400112 is an apocalyptic number.

1111400112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111400112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1501225344).

1111400112 is an abundant number, since it is smaller than the sum of its proper divisors (1891050576).

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

1111400112 is a wasteful number, since it uses less digits than its factorization.

1111400112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218 (or 2212 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1111400112 is about 33337.6680648182. The cubic root of 1111400112 is about 1035.8339601624.

Adding to 1111400112 its reverse (2110041111), we get a palindrome (3221441223).

The spelling of 1111400112 in words is "one billion, one hundred eleven million, four hundred thousand, one hundred twelve".