912220101911 has 2 divisors, whose sum is σ = 912220101912. Its totient is φ = 912220101910.

The previous prime is 912220101901. The next prime is 912220101929. The reversal of 912220101911 is 119101022219.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-912220101911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (912220101901) 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, 456110050955 + 456110050956.

It is an arithmetic number, because the mean of its divisors is an integer number (456110050956).

Almost surely, 2^912220101911 is an apocalyptic number.

912220101911 is a deficient number, since it is larger than the sum of its proper divisors (1).

912220101911 is an equidigital number, since it uses as much as digits as its factorization.

912220101911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 912220101911 in words is "nine hundred twelve billion, two hundred twenty million, one hundred one thousand, nine hundred eleven".