1112022012100 has 54 divisors (see below), whose sum is σ = 2473379446622. Its totient is φ = 433959744000.

The previous prime is 1112022012091. The next prime is 1112022012107. The reversal of 1112022012100 is 12102202111.

It can be written as a sum of positive squares in 9 ways, for example, as 1022683193284 + 89338818816 = 1011278^2 + 298896^2 .

It is not an unprimeable number, because it can be changed into a prime (1112022012107) 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 17 ways as a sum of consecutive naturals, for example, 3139521 + ... + 3475720.

Almost surely, 2^{1112022012100} is an apocalyptic number.

1112022012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112022012100 is an abundant number, since it is smaller than the sum of its proper divisors (1361357434522).

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

1112022012100 is a wasteful number, since it uses less digits than its factorization.

1112022012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6615337 (or 6615289 counting only the distinct ones).

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

Adding to 1112022012100 its reverse (12102202111), we get a palindrome (1124124214211).

The spelling of 1112022012100 in words is "one trillion, one hundred twelve billion, twenty-two million, twelve thousand, one hundred".