201112201222100 has 72 divisors (see below), whose sum is σ = 525008693751360. Its totient is φ = 65323662347520.

The previous prime is 201112201222073. The next prime is 201112201222117. The reversal of 201112201222100 is 1222102211102.

201112201222100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201112201222100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7560595769 + ... + 7560622368.

Almost surely, 2^{201112201222100} is an apocalyptic number.

201112201222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201112201222100 is an abundant number, since it is smaller than the sum of its proper divisors (323896492529260).

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

201112201222100 is a wasteful number, since it uses less digits than its factorization.

201112201222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15121218177 (or 15121218170 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201112201222100 its reverse (1222102211102), we get a palindrome (202334303433202).

The spelling of 201112201222100 in words is "two hundred one trillion, one hundred twelve billion, two hundred one million, two hundred twenty-two thousand, one hundred".