2222011221091 has 2 divisors, whose sum is σ = 2222011221092. Its totient is φ = 2222011221090.

The previous prime is 2222011221011. The next prime is 2222011221181. The reversal of 2222011221091 is 1901221102222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2222011221091 - 2²⁷ = 2221877003363 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222011221011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111005610545 + 1111005610546.

It is an arithmetic number, because the mean of its divisors is an integer number (1111005610546).

Almost surely, 2^{2222011221091} is an apocalyptic number.

2222011221091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222011221091 is an equidigital number, since it uses as much as digits as its factorization.

2222011221091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 2222011221091 in words is "two trillion, two hundred twenty-two billion, eleven million, two hundred twenty-one thousand, ninety-one".