13221923411 has 2 divisors, whose sum is σ = 13221923412. Its totient is φ = 13221923410.

The previous prime is 13221923381. The next prime is 13221923437. The reversal of 13221923411 is 11432912231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13221923411 - 2⁶ = 13221923347 is a prime.

It is not a weakly prime, because it can be changed into another prime (13221925411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610961705 + 6610961706.

It is an arithmetic number, because the mean of its divisors is an integer number (6610961706).

Almost surely, 2^13221923411 is an apocalyptic number.

13221923411 is a deficient number, since it is larger than the sum of its proper divisors (1).

13221923411 is an equidigital number, since it uses as much as digits as its factorization.

13221923411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The spelling of 13221923411 in words is "thirteen billion, two hundred twenty-one million, nine hundred twenty-three thousand, four hundred eleven".