1111100022012 has 24 divisors (see below), whose sum is σ = 2592972175696. Its totient is φ = 370308751488.

The previous prime is 1111100022001. The next prime is 1111100022029. The reversal of 1111100022012 is 2102200011111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7160353 + ... + 7313880.

Almost surely, 2^{1111100022012} is an apocalyptic number.

1111100022012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111100022012 is an abundant number, since it is smaller than the sum of its proper divisors (1481872153684).

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

1111100022012 is a wasteful number, since it uses less digits than its factorization.

1111100022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14480637 (or 14480635 counting only the distinct ones).

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

Adding to 1111100022012 its reverse (2102200011111), we get a palindrome (3213300033123).

The spelling of 1111100022012 in words is "one trillion, one hundred eleven billion, one hundred million, twenty-two thousand, twelve".