33122212091 has 2 divisors, whose sum is σ = 33122212092. Its totient is φ = 33122212090.

The previous prime is 33122212087. The next prime is 33122212127. The reversal of 33122212091 is 19021222133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33122212091 - 2² = 33122212087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33122212091.

It is not a weakly prime, because it can be changed into another prime (33122212031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16561106045 + 16561106046.

It is an arithmetic number, because the mean of its divisors is an integer number (16561106046).

Almost surely, 2^33122212091 is an apocalyptic number.

33122212091 is a deficient number, since it is larger than the sum of its proper divisors (1).

33122212091 is an equidigital number, since it uses as much as digits as its factorization.

33122212091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 33122212091 in words is "thirty-three billion, one hundred twenty-two million, two hundred twelve thousand, ninety-one".