1110001121200 has 60 divisors (see below), whose sum is σ = 2823646987080. Its totient is φ = 417882772480.

The previous prime is 1110001121197. The next prime is 1110001121219. The reversal of 1110001121200 is 21211000111.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81610930 + ... + 81624529.

It is an arithmetic number, because the mean of its divisors is an integer number (47060783118).

Almost surely, 2^{1110001121200} is an apocalyptic number.

1110001121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110001121200 is an abundant number, since it is smaller than the sum of its proper divisors (1713645865880).

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

1110001121200 is a wasteful number, since it uses less digits than its factorization.

1110001121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163235494 (or 163235483 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1110001121200 its reverse (21211000111), we get a palindrome (1131212121311).

The spelling of 1110001121200 in words is "one trillion, one hundred ten billion, one million, one hundred twenty-one thousand, two hundred".