1121000013320 has 48 divisors (see below), whose sum is σ = 2772390540780. Its totient is φ = 407636366720.

The previous prime is 1121000013277. The next prime is 1121000013347. The reversal of 1121000013320 is 233100001211.

It can be written as a sum of positive squares in 2 ways, for example, as 1119926926756 + 1073086564 = 1058266^2 + 32758^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1121000013295 and 1121000013304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115800947 + ... + 115810626.

Almost surely, 2^{1121000013320} is an apocalyptic number.

1121000013320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121000013320 is an abundant number, since it is smaller than the sum of its proper divisors (1651390527460).

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

1121000013320 is a wasteful number, since it uses less digits than its factorization.

1121000013320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231611606 (or 231611591 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1121000013320 its reverse (233100001211), we get a palindrome (1354100014531).

The spelling of 1121000013320 in words is "one trillion, one hundred twenty-one billion, thirteen thousand, three hundred twenty".