1112210040 has 128 divisors (see below), whose sum is σ = 3543600960. Its totient is φ = 278298624.

The previous prime is 1112210027. The next prime is 1112210041. The reversal of 1112210040 is 400122111.

It is a happy number.

It is a super-2 number, since 2×1112210040² = 2474022346153603200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1112209998 and 1112210025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112210041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 931684 + ... + 932876.

Almost surely, 2^1112210040 is an apocalyptic number.

1112210040 is a gapful number since it is divisible by the number (10) 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 1112210040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1771800480).

1112210040 is an abundant number, since it is smaller than the sum of its proper divisors (2431390920).

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

1112210040 is a wasteful number, since it uses less digits than its factorization.

1112210040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681 (or 1677 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1112210040 is about 33349.8131928801. The cubic root of 1112210040 is about 1036.0855188966.

Adding to 1112210040 its reverse (400122111), we get a palindrome (1512332151).

The spelling of 1112210040 in words is "one billion, one hundred twelve million, two hundred ten thousand, forty".