13331220211 has 8 divisors (see below), whose sum is σ = 14359209920. Its totient is φ = 12335865192.

The previous prime is 13331220193. The next prime is 13331220223. The reversal of 13331220211 is 11202213331.

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 13331220211 - 2⁷ = 13331220083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13331220251) 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, 8157825 + ... + 8159458.

It is an arithmetic number, because the mean of its divisors is an integer number (1794901240).

Almost surely, 2^13331220211 is an apocalyptic number.

13331220211 is a deficient number, since it is larger than the sum of its proper divisors (1027989709).

13331220211 is a wasteful number, since it uses less digits than its factorization.

13331220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16317345.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13331220211 its reverse (11202213331), we get a palindrome (24533433542).

The spelling of 13331220211 in words is "thirteen billion, three hundred thirty-one million, two hundred twenty thousand, two hundred eleven".