422112122111 has 2 divisors, whose sum is σ = 422112122112. Its totient is φ = 422112122110.

The previous prime is 422112122087. The next prime is 422112122143. The reversal of 422112122111 is 111221211224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422112122111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422112122171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211056061055 + 211056061056.

It is an arithmetic number, because the mean of its divisors is an integer number (211056061056).

Almost surely, 2^422112122111 is an apocalyptic number.

422112122111 is a deficient number, since it is larger than the sum of its proper divisors (1).

422112122111 is an equidigital number, since it uses as much as digits as its factorization.

422112122111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 128, while the sum is 20.

Adding to 422112122111 its reverse (111221211224), we get a palindrome (533333333335).

The spelling of 422112122111 in words is "four hundred twenty-two billion, one hundred twelve million, one hundred twenty-two thousand, one hundred eleven".