220122321122111 has 2 divisors, whose sum is σ = 220122321122112. Its totient is φ = 220122321122110.

The previous prime is 220122321122063. The next prime is 220122321122113. The reversal of 220122321122111 is 111221123221022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220122321122111 is a prime.

Together with 220122321122113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220122321122113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110061160561055 + 110061160561056.

It is an arithmetic number, because the mean of its divisors is an integer number (110061160561056).

Almost surely, 2^{220122321122111} is an apocalyptic number.

220122321122111 is a deficient number, since it is larger than the sum of its proper divisors (1).

220122321122111 is an equidigital number, since it uses as much as digits as its factorization.

220122321122111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 220122321122111 its reverse (111221123221022), we get a palindrome (331343444343133).

The spelling of 220122321122111 in words is "two hundred twenty trillion, one hundred twenty-two billion, three hundred twenty-one million, one hundred twenty-two thousand, one hundred eleven".