1120400111200 has 36 divisors (see below), whose sum is σ = 2735176773420. Its totient is φ = 448160044160.

The previous prime is 1120400111183. The next prime is 1120400111209. The reversal of 1120400111200 is 21110040211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120400111209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 700249270 + ... + 700250869.

It is an arithmetic number, because the mean of its divisors is an integer number (75977132595).

Almost surely, 2^{1120400111200} is an apocalyptic number.

1120400111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120400111200 is an abundant number, since it is smaller than the sum of its proper divisors (1614776662220).

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

1120400111200 is a wasteful number, since it uses less digits than its factorization.

1120400111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400500159 (or 1400500146 counting only the distinct ones).

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

Adding to 1120400111200 its reverse (21110040211), we get a palindrome (1141510151411).

The spelling of 1120400111200 in words is "one trillion, one hundred twenty billion, four hundred million, one hundred eleven thousand, two hundred".