1320010102221 has 4 divisors (see below), whose sum is σ = 1760013469632. Its totient is φ = 880006734812.

The previous prime is 1320010102217. The next prime is 1320010102259. The reversal of 1320010102221 is 1222010100231.

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 1320010102221 - 2² = 1320010102217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1320010102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320010102121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220001683701 + ... + 220001683706.

It is an arithmetic number, because the mean of its divisors is an integer number (440003367408).

Almost surely, 2^{1320010102221} is an apocalyptic number.

It is an amenable number.

1320010102221 is a deficient number, since it is larger than the sum of its proper divisors (440003367411).

1320010102221 is an equidigital number, since it uses as much as digits as its factorization.

1320010102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440003367410.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1320010102221 its reverse (1222010100231), we get a palindrome (2542020202452).

The spelling of 1320010102221 in words is "one trillion, three hundred twenty billion, ten million, one hundred two thousand, two hundred twenty-one".