13022201891 has 2 divisors, whose sum is σ = 13022201892. Its totient is φ = 13022201890.

The previous prime is 13022201873. The next prime is 13022201923. The reversal of 13022201891 is 19810222031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13022201891 - 2⁶ = 13022201827 is a prime.

It is not a weakly prime, because it can be changed into another prime (13022201861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6511100945 + 6511100946.

It is an arithmetic number, because the mean of its divisors is an integer number (6511100946).

Almost surely, 2^13022201891 is an apocalyptic number.

13022201891 is a deficient number, since it is larger than the sum of its proper divisors (1).

13022201891 is an equidigital number, since it uses as much as digits as its factorization.

13022201891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 13022201891 in words is "thirteen billion, twenty-two million, two hundred one thousand, eight hundred ninety-one".