122221111127 has 2 divisors, whose sum is σ = 122221111128. Its totient is φ = 122221111126.

The previous prime is 122221111093. The next prime is 122221111139. The reversal of 122221111127 is 721111122221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122221111127 - 2¹⁶ = 122221045591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122221111627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61110555563 + 61110555564.

It is an arithmetic number, because the mean of its divisors is an integer number (61110555564).

Almost surely, 2^122221111127 is an apocalyptic number.

122221111127 is a deficient number, since it is larger than the sum of its proper divisors (1).

122221111127 is an equidigital number, since it uses as much as digits as its factorization.

122221111127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 224, while the sum is 23.

Adding to 122221111127 its reverse (721111122221), we get a palindrome (843332233348).

The spelling of 122221111127 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred eleven thousand, one hundred twenty-seven".