1222322101291 has 2 divisors, whose sum is σ = 1222322101292. Its totient is φ = 1222322101290.

The previous prime is 1222322101271. The next prime is 1222322101307. The reversal of 1222322101291 is 1921012232221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222322101291 - 2³¹ = 1220174617643 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222322101201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611161050645 + 611161050646.

It is an arithmetic number, because the mean of its divisors is an integer number (611161050646).

Almost surely, 2^{1222322101291} is an apocalyptic number.

1222322101291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222322101291 is an equidigital number, since it uses as much as digits as its factorization.

1222322101291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 1222322101291 in words is "one trillion, two hundred twenty-two billion, three hundred twenty-two million, one hundred one thousand, two hundred ninety-one".