1321102243300 has 72 divisors (see below), whose sum is σ = 3276672154560. Its totient is φ = 452902531200.

The previous prime is 1321102243297. The next prime is 1321102243427. The reversal of 1321102243300 is 33422011231.

It is a super-2 number, since 2×1321102243300² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7055286 + ... + 7240114.

It is an arithmetic number, because the mean of its divisors is an integer number (45509335480).

Almost surely, 2^{1321102243300} is an apocalyptic number.

1321102243300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321102243300 is an abundant number, since it is smaller than the sum of its proper divisors (1955569911260).

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

1321102243300 is a wasteful number, since it uses less digits than its factorization.

1321102243300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195061 (or 195054 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1321102243300 its reverse (33422011231), we get a palindrome (1354524254531).

The spelling of 1321102243300 in words is "one trillion, three hundred twenty-one billion, one hundred two million, two hundred forty-three thousand, three hundred".