2233213109891 has 2 divisors, whose sum is σ = 2233213109892. Its totient is φ = 2233213109890.

The previous prime is 2233213109873. The next prime is 2233213109899. The reversal of 2233213109891 is 1989013123322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2233213109891 - 2²⁶ = 2233146001027 is a prime.

It is not a weakly prime, because it can be changed into another prime (2233213109899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116606554945 + 1116606554946.

It is an arithmetic number, because the mean of its divisors is an integer number (1116606554946).

Almost surely, 2^{2233213109891} is an apocalyptic number.

2233213109891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2233213109891 is an equidigital number, since it uses as much as digits as its factorization.

2233213109891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 2233213109891 in words is "two trillion, two hundred thirty-three billion, two hundred thirteen million, one hundred nine thousand, eight hundred ninety-one".