2222221020091 has 2 divisors, whose sum is σ = 2222221020092. Its totient is φ = 2222221020090.

The previous prime is 2222221020049. The next prime is 2222221020133. The reversal of 2222221020091 is 1900201222222.

It is a balanced prime because it is at equal distance from previous prime (2222221020049) and next prime (2222221020133).

It is a cyclic number.

It is not a de Polignac number, because 2222221020091 - 2²⁷ = 2222086802363 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222221020191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111110510045 + 1111110510046.

It is an arithmetic number, because the mean of its divisors is an integer number (1111110510046).

Almost surely, 2^{2222221020091} is an apocalyptic number.

2222221020091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222221020091 is an equidigital number, since it uses as much as digits as its factorization.

2222221020091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 2222221020091 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-one million, twenty thousand, ninety-one".