122001001091 has 2 divisors, whose sum is σ = 122001001092. Its totient is φ = 122001001090.

The previous prime is 122001001033. The next prime is 122001001141. The reversal of 122001001091 is 190100100221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122001001091 - 2¹⁸ = 122000738947 is a prime.

It is not a weakly prime, because it can be changed into another prime (122001081091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000500545 + 61000500546.

It is an arithmetic number, because the mean of its divisors is an integer number (61000500546).

Almost surely, 2^122001001091 is an apocalyptic number.

122001001091 is a deficient number, since it is larger than the sum of its proper divisors (1).

122001001091 is an equidigital number, since it uses as much as digits as its factorization.

122001001091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 122001001091 in words is "one hundred twenty-two billion, one million, one thousand, ninety-one".