112100212200100 has 18 divisors (see below), whose sum is σ = 243257460474434. Its totient is φ = 44840084880000.

The previous prime is 112100212200043. The next prime is 112100212200101. The reversal of 112100212200100 is 1002212001211.

It can be written as a sum of positive squares in 3 ways, for example, as 2111255496256 + 109988956703844 = 1453016^2 + 10487562^2 .

It is not an unprimeable number, because it can be changed into a prime (112100212200101) 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, 560501060901 + ... + 560501061100.

Almost surely, 2^{112100212200100} is an apocalyptic number.

112100212200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112100212200100 is an abundant number, since it is smaller than the sum of its proper divisors (131157248274334).

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

112100212200100 is a wasteful number, since it uses less digits than its factorization.

112100212200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121002122015 (or 1121002122008 counting only the distinct ones).

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

Adding to 112100212200100 its reverse (1002212001211), we get a palindrome (113102424201311).

The spelling of 112100212200100 in words is "one hundred twelve trillion, one hundred billion, two hundred twelve million, two hundred thousand, one hundred".