1321100010300 has 108 divisors (see below), whose sum is σ = 4446445227000. Its totient is φ = 301965713280.

The previous prime is 1321100010283. The next prime is 1321100010313. The reversal of 1321100010300 is 30100011231.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 44920675 + ... + 44950074.

Almost surely, 2^{1321100010300} is an apocalyptic number.

1321100010300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321100010300 is an abundant number, since it is smaller than the sum of its proper divisors (3125345216700).

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

1321100010300 is a wasteful number, since it uses less digits than its factorization.

1321100010300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89870780 (or 89870766 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 1321100010300 its reverse (30100011231), we get a palindrome (1351200021531).

The spelling of 1321100010300 in words is "one trillion, three hundred twenty-one billion, one hundred million, ten thousand, three hundred".