1220122010911 has 2 divisors, whose sum is σ = 1220122010912. Its totient is φ = 1220122010910.

The previous prime is 1220122010851. The next prime is 1220122010923. The reversal of 1220122010911 is 1190102210221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220122010911 - 2²⁵ = 1220088456479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220122050911) 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, 610061005455 + 610061005456.

It is an arithmetic number, because the mean of its divisors is an integer number (610061005456).

Almost surely, 2^{1220122010911} is an apocalyptic number.

1220122010911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220122010911 is an equidigital number, since it uses as much as digits as its factorization.

1220122010911 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 1220122010911 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, ten thousand, nine hundred eleven".