1121312133320 has 32 divisors (see below), whose sum is σ = 2564312179320. Its totient is φ = 441171985920.

The previous prime is 1121312133317. The next prime is 1121312133353. The reversal of 1121312133320 is 233312131211.

It can be written as a sum of positive squares in 4 ways, for example, as 683621390596 + 437690742724 = 826814^2 + 661582^2 .

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, 229774637 + ... + 229779516.

Almost surely, 2^{1121312133320} is an apocalyptic number.

1121312133320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121312133320 is an abundant number, since it is smaller than the sum of its proper divisors (1443000046000).

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

1121312133320 is a wasteful number, since it uses less digits than its factorization.

1121312133320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459554225 (or 459554221 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1121312133320 its reverse (233312131211), we get a palindrome (1354624264531).

The spelling of 1121312133320 in words is "one trillion, one hundred twenty-one billion, three hundred twelve million, one hundred thirty-three thousand, three hundred twenty".