1100202112120 has 32 divisors (see below), whose sum is σ = 2583083221920. Its totient is φ = 420946894720.

The previous prime is 1100202112091. The next prime is 1100202112127. The reversal of 1100202112120 is 212112020011.

It is a self number, because there is not a number n which added to its sum of digits gives 1100202112120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100202112127) 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 7 ways as a sum of consecutive naturals, for example, 597935011 + ... + 597936850.

It is an arithmetic number, because the mean of its divisors is an integer number (80721350685).

Almost surely, 2^{1100202112120} is an apocalyptic number.

1100202112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100202112120 is an abundant number, since it is smaller than the sum of its proper divisors (1482881109800).

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

1100202112120 is a wasteful number, since it uses less digits than its factorization.

1100202112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195871895 (or 1195871891 counting only the distinct ones).

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

Adding to 1100202112120 its reverse (212112020011), we get a palindrome (1312314132131).

The spelling of 1100202112120 in words is "one trillion, one hundred billion, two hundred two million, one hundred twelve thousand, one hundred twenty".