122320213111 has 2 divisors, whose sum is σ = 122320213112. Its totient is φ = 122320213110.

The previous prime is 122320213079. The next prime is 122320213123. The reversal of 122320213111 is 111312023221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122320213111 - 2⁵ = 122320213079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122320214111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61160106555 + 61160106556.

It is an arithmetic number, because the mean of its divisors is an integer number (61160106556).

Almost surely, 2^122320213111 is an apocalyptic number.

122320213111 is a deficient number, since it is larger than the sum of its proper divisors (1).

122320213111 is an equidigital number, since it uses as much as digits as its factorization.

122320213111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 122320213111 its reverse (111312023221), we get a palindrome (233632236332).

The spelling of 122320213111 in words is "one hundred twenty-two billion, three hundred twenty million, two hundred thirteen thousand, one hundred eleven".