1131220303120 has 80 divisors (see below), whose sum is σ = 2832969249792. Its totient is φ = 418852938240.

The previous prime is 1131220303061. The next prime is 1131220303133. The reversal of 1131220303120 is 213030221311.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9858987 + ... + 9973066.

Almost surely, 2^{1131220303120} is an apocalyptic number.

1131220303120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131220303120 is an abundant number, since it is smaller than the sum of its proper divisors (1701748946672).

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

1131220303120 is a wasteful number, since it uses less digits than its factorization.

1131220303120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19832120 (or 19832114 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1131220303120 its reverse (213030221311), we get a palindrome (1344250524431).

The spelling of 1131220303120 in words is "one trillion, one hundred thirty-one billion, two hundred twenty million, three hundred three thousand, one hundred twenty".