1303100010221 has 4 divisors (see below), whose sum is σ = 1303102591872. Its totient is φ = 1303097428572.

The previous prime is 1303100010211. The next prime is 1303100010269. The reversal of 1303100010221 is 1220100013031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1303100010221 - 2³⁸ = 1028222103277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303100010196 and 1303100010205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303100010211) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 258491 + ... + 1634936.

It is an arithmetic number, because the mean of its divisors is an integer number (325775647968).

Almost surely, 2^{1303100010221} is an apocalyptic number.

It is an amenable number.

1303100010221 is a deficient number, since it is larger than the sum of its proper divisors (2581651).

1303100010221 is an equidigital number, since it uses as much as digits as its factorization.

1303100010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581650.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1303100010221 its reverse (1220100013031), we get a palindrome (2523200023252).

The spelling of 1303100010221 in words is "one trillion, three hundred three billion, one hundred million, ten thousand, two hundred twenty-one".