1111211132120 has 32 divisors (see below), whose sum is σ = 2516782842720. Its totient is φ = 441540844800.

The previous prime is 1111211132089. The next prime is 1111211132123. The reversal of 1111211132120 is 212311121111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111211132123) 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, 91981637 + ... + 91993716.

It is an arithmetic number, because the mean of its divisors is an integer number (78649463835).

Almost surely, 2^{1111211132120} is an apocalyptic number.

1111211132120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111211132120 is an abundant number, since it is smaller than the sum of its proper divisors (1405571710600).

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

1111211132120 is a wasteful number, since it uses less digits than its factorization.

1111211132120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183975515 (or 183975511 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1111211132120 its reverse (212311121111), we get a palindrome (1323522253231).

The spelling of 1111211132120 in words is "one trillion, one hundred eleven billion, two hundred eleven million, one hundred thirty-two thousand, one hundred twenty".