1112222012100 has 36 divisors (see below), whose sum is σ = 3218029022544. Its totient is φ = 296592536480.

The previous prime is 1112222012071. The next prime is 1112222012119. The reversal of 1112222012100 is 12102222111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1112222012100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1853703054 + ... + 1853703653.

Almost surely, 2^{1112222012100} is an apocalyptic number.

1112222012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112222012100 is an abundant number, since it is smaller than the sum of its proper divisors (2105807010444).

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

1112222012100 is a wasteful number, since it uses less digits than its factorization.

1112222012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707406724 (or 3707406717 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1112222012100 its reverse (12102222111), we get a palindrome (1124324234211).

The spelling of 1112222012100 in words is "one trillion, one hundred twelve billion, two hundred twenty-two million, twelve thousand, one hundred".