1110120121200 has 240 divisors, whose sum is σ = 3963439537920. Its totient is φ = 263954165760.

The previous prime is 1110120121199. The next prime is 1110120121213. The reversal of 1110120121200 is 21210210111.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1044444 + ... + 1819643.

It is an arithmetic number, because the mean of its divisors is an integer number (16514331408).

Almost surely, 2^{1110120121200} is an apocalyptic number.

1110120121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110120121200 is an abundant number, since it is smaller than the sum of its proper divisors (2853319416720).

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

1110120121200 is a wasteful number, since it uses less digits than its factorization.

1110120121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864144 (or 2864133 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1110120121200 its reverse (21210210111), we get a palindrome (1131330331311).

The spelling of 1110120121200 in words is "one trillion, one hundred ten billion, one hundred twenty million, one hundred twenty-one thousand, two hundred".