1112100222100 has 90 divisors (see below), whose sum is σ = 2815300152574. Its totient is φ = 381291422400.

The previous prime is 1112100222097. The next prime is 1112100222139. The reversal of 1112100222100 is 12220012111.

It can be written as a sum of positive squares in 3 ways, for example, as 142651246864 + 969448975236 = 377692^2 + 984606^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2075811 + ... + 2556010.

Almost surely, 2^{1112100222100} is an apocalyptic number.

1112100222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112100222100 is an abundant number, since it is smaller than the sum of its proper divisors (1703199930474).

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

1112100222100 is an equidigital number, since it uses as much as digits as its factorization.

1112100222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4631863 (or 4631835 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1112100222100 its reverse (12220012111), we get a palindrome (1124320234211).

The spelling of 1112100222100 in words is "one trillion, one hundred twelve billion, one hundred million, two hundred twenty-two thousand, one hundred".