1121321302320 has 40 divisors (see below), whose sum is σ = 3476096037936. Its totient is φ = 299019013888.

The previous prime is 1121321302279. The next prime is 1121321302349. The reversal of 1121321302320 is 232031231211.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1121321302320² (a number of 25 digits) contains 22 as substring.

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, 2336085807 + ... + 2336086286.

Almost surely, 2^{1121321302320} is an apocalyptic number.

1121321302320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121321302320 is an abundant number, since it is smaller than the sum of its proper divisors (2354774735616).

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

1121321302320 is a wasteful number, since it uses less digits than its factorization.

1121321302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4672172109 (or 4672172103 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1121321302320 its reverse (232031231211), we get a palindrome (1353352533531).

The spelling of 1121321302320 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-one million, three hundred two thousand, three hundred twenty".