13220212311 has 32 divisors (see below), whose sum is σ = 20125240320. Its totient is φ = 8572900032.

The previous prime is 13220212309. The next prime is 13220212319. The reversal of 13220212311 is 11321202231.

It is not a de Polignac number, because 13220212311 - 2¹ = 13220212309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220212319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174891 + ... + 238803.

It is an arithmetic number, because the mean of its divisors is an integer number (628913760).

Almost surely, 2^13220212311 is an apocalyptic number.

13220212311 is a deficient number, since it is larger than the sum of its proper divisors (6905028009).

13220212311 is a wasteful number, since it uses less digits than its factorization.

13220212311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64132 (or 64126 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13220212311 its reverse (11321202231), we get a palindrome (24541414542).

The spelling of 13220212311 in words is "thirteen billion, two hundred twenty million, two hundred twelve thousand, three hundred eleven".