1111202111120 has 20 divisors (see below), whose sum is σ = 2583544908540. Its totient is φ = 444480844416.

The previous prime is 1111202111077. The next prime is 1111202111137. The reversal of 1111202111120 is 211112021111.

It can be written as a sum of positive squares in 2 ways, for example, as 865673933056 + 245528178064 = 930416^2 + 495508^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 1111202111095 and 1111202111104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6945013115 + ... + 6945013274.

It is an arithmetic number, because the mean of its divisors is an integer number (129177245427).

Almost surely, 2^{1111202111120} is an apocalyptic number.

1111202111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111202111120 is an abundant number, since it is smaller than the sum of its proper divisors (1472342797420).

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

1111202111120 is a wasteful number, since it uses less digits than its factorization.

1111202111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13890026402 (or 13890026396 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1111202111120 its reverse (211112021111), we get a palindrome (1322314132231).

Subtracting from 1111202111120 its reverse (211112021111), we obtain a palindrome (900090090009).

The spelling of 1111202111120 in words is "one trillion, one hundred eleven billion, two hundred two million, one hundred eleven thousand, one hundred twenty".