1320102102221 has 12 divisors (see below), whose sum is σ = 1543668929280. Its totient is φ = 1125591911640.

The previous prime is 1320102102197. The next prime is 1320102102233. The reversal of 1320102102221 is 1222012010231.

It is not a de Polignac number, because 1320102102221 - 2²² = 1320097907917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320102102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320102102421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70516451 + ... + 70535168.

It is an arithmetic number, because the mean of its divisors is an integer number (128639077440).

Almost surely, 2^{1320102102221} is an apocalyptic number.

It is an amenable number.

1320102102221 is a deficient number, since it is larger than the sum of its proper divisors (223566827059).

1320102102221 is a wasteful number, since it uses less digits than its factorization.

1320102102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141051824 (or 141051817 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1320102102221 its reverse (1222012010231), we get a palindrome (2542114112452).

The spelling of 1320102102221 in words is "one trillion, three hundred twenty billion, one hundred two million, one hundred two thousand, two hundred twenty-one".