112201000002100 has 18 divisors (see below), whose sum is σ = 243476170004774. Its totient is φ = 44880400000800.

The previous prime is 112201000002023. The next prime is 112201000002107. The reversal of 112201000002100 is 1200000102211.

It can be written as a sum of positive squares in 3 ways, for example, as 5086531451556 + 107114468550544 = 2255334^2 + 10349612^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112201000002107) 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, 561004999911 + ... + 561005000110.

Almost surely, 2^{112201000002100} is an apocalyptic number.

112201000002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112201000002100 is an abundant number, since it is smaller than the sum of its proper divisors (131275170002674).

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

112201000002100 is a wasteful number, since it uses less digits than its factorization.

112201000002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122010000035 (or 1122010000028 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 112201000002100 its reverse (1200000102211), we get a palindrome (113401000104311).

The spelling of 112201000002100 in words is "one hundred twelve trillion, two hundred one billion, two thousand, one hundred".