1222001120191 has 2 divisors, whose sum is σ = 1222001120192. Its totient is φ = 1222001120190.

The previous prime is 1222001120183. The next prime is 1222001120203. The reversal of 1222001120191 is 1910211002221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222001120191 - 2³ = 1222001120183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222061120191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611000560095 + 611000560096.

It is an arithmetic number, because the mean of its divisors is an integer number (611000560096).

Almost surely, 2^{1222001120191} is an apocalyptic number.

1222001120191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222001120191 is an equidigital number, since it uses as much as digits as its factorization.

1222001120191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 1222001120191 in words is "one trillion, two hundred twenty-two billion, one million, one hundred twenty thousand, one hundred ninety-one".