110001121200 has 120 divisors (see below), whose sum is σ = 391522547600. Its totient is φ = 29333629440.

The previous prime is 110001121183. The next prime is 110001121261. The reversal of 110001121200 is 2121100011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 5081845 + ... + 5103444.

Almost surely, 2^110001121200 is an apocalyptic number.

110001121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110001121200 is an abundant number, since it is smaller than the sum of its proper divisors (281521426400).

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

110001121200 is a wasteful number, since it uses less digits than its factorization.

110001121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10185316 (or 10185299 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 110001121200 its reverse (2121100011), we get a palindrome (112122221211).

It can be divided in two parts, 1100011 and 21200, that added together give a palindrome (1121211).

The spelling of 110001121200 in words is "one hundred ten billion, one million, one hundred twenty-one thousand, two hundred".