1111000022112 has 24 divisors (see below), whose sum is σ = 2916375058296. Its totient is φ = 370333340672.

The previous prime is 1111000022053. The next prime is 1111000022113. The reversal of 1111000022112 is 2112200001111.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111000022113) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5786458353 + ... + 5786458544.

It is an arithmetic number, because the mean of its divisors is an integer number (121515627429).

Almost surely, 2^{1111000022112} is an apocalyptic number.

1111000022112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111000022112 is an abundant number, since it is smaller than the sum of its proper divisors (1805375036184).

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

1111000022112 is a wasteful number, since it uses less digits than its factorization.

1111000022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11572916910 (or 11572916902 counting only the distinct ones).

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

Adding to 1111000022112 its reverse (2112200001111), we get a palindrome (3223200023223).

The spelling of 1111000022112 in words is "one trillion, one hundred eleven billion, twenty-two thousand, one hundred twelve".