1111322320120 has 32 divisors (see below), whose sum is σ = 2514928849920. Its totient is φ = 441959393920.

The previous prime is 1111322320099. The next prime is 1111322320123. The reversal of 1111322320120 is 210232231111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111322320123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80290936 + ... + 80304775.

It is an arithmetic number, because the mean of its divisors is an integer number (78591526560).

Almost surely, 2^{1111322320120} is an apocalyptic number.

1111322320120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111322320120 is an abundant number, since it is smaller than the sum of its proper divisors (1403606529800).

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

1111322320120 is a wasteful number, since it uses less digits than its factorization.

1111322320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160595895 (or 160595891 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1111322320120 its reverse (210232231111), we get a palindrome (1321554551231).

The spelling of 1111322320120 in words is "one trillion, one hundred eleven billion, three hundred twenty-two million, three hundred twenty thousand, one hundred twenty".