2022212100091 has 2 divisors, whose sum is σ = 2022212100092. Its totient is φ = 2022212100090.

The previous prime is 2022212100047. The next prime is 2022212100109. The reversal of 2022212100091 is 1900012122202.

Together with next prime (2022212100109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2022212100091 - 2¹³ = 2022212091899 is a prime.

It is not a weakly prime, because it can be changed into another prime (2022212100991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011106050045 + 1011106050046.

It is an arithmetic number, because the mean of its divisors is an integer number (1011106050046).

Almost surely, 2^{2022212100091} is an apocalyptic number.

2022212100091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022212100091 is an equidigital number, since it uses as much as digits as its factorization.

2022212100091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 2022212100091 its reverse (1900012122202), we get a palindrome (3922224222293).

The spelling of 2022212100091 in words is "two trillion, twenty-two billion, two hundred twelve million, one hundred thousand, ninety-one".