1321102311330 has 16 divisors (see below), whose sum is σ = 3170645547264. Its totient is φ = 352293949680.

The previous prime is 1321102311163. The next prime is 1321102311337. The reversal of 1321102311330 is 331132011231.

It is a happy number.

It is a super-2 number, since 2×1321102311330² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1321102311297 and 1321102311306.

It is not an unprimeable number, because it can be changed into a prime (1321102311337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22018371826 + ... + 22018371885.

It is an arithmetic number, because the mean of its divisors is an integer number (198165346704).

Almost surely, 2^{1321102311330} is an apocalyptic number.

1321102311330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321102311330 is an abundant number, since it is smaller than the sum of its proper divisors (1849543235934).

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

1321102311330 is a wasteful number, since it uses less digits than its factorization.

1321102311330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44036743721.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1321102311330 its reverse (331132011231), we get a palindrome (1652234322561).

The spelling of 1321102311330 in words is "one trillion, three hundred twenty-one billion, one hundred two million, three hundred eleven thousand, three hundred thirty".