1313221020211 has 8 divisors (see below), whose sum is σ = 1313842733504. Its totient is φ = 1312599421800.

The previous prime is 1313221020191. The next prime is 1313221020269. The reversal of 1313221020211 is 1120201223131.

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

It is a cyclic number.

It is not a de Polignac number, because 1313221020211 - 2²¹ = 1313218923059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313221020011) 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, 29832760 + ... + 29876746.

It is an arithmetic number, because the mean of its divisors is an integer number (164230341688).

Almost surely, 2^{1313221020211} is an apocalyptic number.

1313221020211 is a deficient number, since it is larger than the sum of its proper divisors (621713293).

1313221020211 is a wasteful number, since it uses less digits than its factorization.

1313221020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57441.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1313221020211 its reverse (1120201223131), we get a palindrome (2433422243342).

The spelling of 1313221020211 in words is "one trillion, three hundred thirteen billion, two hundred twenty-one million, twenty thousand, two hundred eleven".