1320213130221 has 8 divisors (see below), whose sum is σ = 1767588258304. Its totient is φ = 876490044480.

The previous prime is 1320213130211. The next prime is 1320213130237. The reversal of 1320213130221 is 1220313120231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1320213130221 - 2¹¹ = 1320213128173 is a prime.

It is a super-2 number, since 2×1320213130221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320213130211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913009741 + ... + 913011186.

It is an arithmetic number, because the mean of its divisors is an integer number (220948532288).

Almost surely, 2^{1320213130221} is an apocalyptic number.

It is an amenable number.

1320213130221 is a deficient number, since it is larger than the sum of its proper divisors (447375128083).

1320213130221 is a wasteful number, since it uses less digits than its factorization.

1320213130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826021171.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1320213130221 its reverse (1220313120231), we get a palindrome (2540526250452).

The spelling of 1320213130221 in words is "one trillion, three hundred twenty billion, two hundred thirteen million, one hundred thirty thousand, two hundred twenty-one".