1222001010911 has 2 divisors, whose sum is σ = 1222001010912. Its totient is φ = 1222001010910.

The previous prime is 1222001010889. The next prime is 1222001010931. The reversal of 1222001010911 is 1190101002221.

It is an a-pointer prime, because the next prime (1222001010931) can be obtained adding 1222001010911 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222001010911 - 2⁶ = 1222001010847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222001010931) 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, 611000505455 + 611000505456.

It is an arithmetic number, because the mean of its divisors is an integer number (611000505456).

Almost surely, 2^{1222001010911} is an apocalyptic number.

1222001010911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222001010911 is an equidigital number, since it uses as much as digits as its factorization.

1222001010911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 1222001010911 in words is "one trillion, two hundred twenty-two billion, one million, ten thousand, nine hundred eleven".