1321113002200 has 192 divisors, whose sum is σ = 3198268735200. Its totient is φ = 507204710400.

The previous prime is 1321113002173. The next prime is 1321113002329. The reversal of 1321113002200 is 22003111231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98605902 + ... + 98619298.

Almost surely, 2^{1321113002200} is an apocalyptic number.

1321113002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1321113002200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1599134367600).

1321113002200 is an abundant number, since it is smaller than the sum of its proper divisors (1877155733000).

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

1321113002200 is a wasteful number, since it uses less digits than its factorization.

1321113002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13670 (or 13661 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1321113002200 its reverse (22003111231), we get a palindrome (1343116113431).

The spelling of 1321113002200 in words is "one trillion, three hundred twenty-one billion, one hundred thirteen million, two thousand, two hundred".