1131223033120 has 48 divisors (see below), whose sum is σ = 2829721152888. Its totient is φ = 425872199680.

The previous prime is 1131223033043. The next prime is 1131223033139. The reversal of 1131223033120 is 213303221311.

It can be written as a sum of positive squares in 4 ways, for example, as 1124982665104 + 6240368016 = 1060652^2 + 78996^2 .

It is a super-2 number, since 2×1131223033120² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131223033091 and 1131223033100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207942691 + ... + 207948130.

Almost surely, 2^{1131223033120} is an apocalyptic number.

1131223033120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131223033120 is an abundant number, since it is smaller than the sum of its proper divisors (1698498119768).

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

1131223033120 is a wasteful number, since it uses less digits than its factorization.

1131223033120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415890853 (or 415890845 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1131223033120 its reverse (213303221311), we get a palindrome (1344526254431).

The spelling of 1131223033120 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-three million, thirty-three thousand, one hundred twenty".