112212202212100 has 18 divisors (see below), whose sum is σ = 243500478800474. Its totient is φ = 44884880884800.

The previous prime is 112212202212079. The next prime is 112212202212109. The reversal of 112212202212100 is 1212202212211.

It can be written as a sum of positive squares in 3 ways, for example, as 6146246404 + 112206055965696 = 78398^2 + 10592736^2 .

It is not an unprimeable number, because it can be changed into a prime (112212202212109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561061010961 + ... + 561061011160.

Almost surely, 2^{112212202212100} is an apocalyptic number.

112212202212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112212202212100 is an abundant number, since it is smaller than the sum of its proper divisors (131288276588374).

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

112212202212100 is a wasteful number, since it uses less digits than its factorization.

112212202212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122122022135 (or 1122122022128 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112212202212100 its reverse (1212202212211), we get a palindrome (113424404424311).

The spelling of 112212202212100 in words is "one hundred twelve trillion, two hundred twelve billion, two hundred two million, two hundred twelve thousand, one hundred".