122012101022111 has 2 divisors, whose sum is σ = 122012101022112. Its totient is φ = 122012101022110.

The previous prime is 122012101022093. The next prime is 122012101022117. The reversal of 122012101022111 is 111220101210221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122012101022111 - 2⁶ = 122012101022047 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122012101022111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122012101022117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006050511055 + 61006050511056.

It is an arithmetic number, because the mean of its divisors is an integer number (61006050511056).

Almost surely, 2^{122012101022111} is an apocalyptic number.

122012101022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

122012101022111 is an equidigital number, since it uses as much as digits as its factorization.

122012101022111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122012101022111 its reverse (111220101210221), we get a palindrome (233232202232332).

The spelling of 122012101022111 in words is "one hundred twenty-two trillion, twelve billion, one hundred one million, twenty-two thousand, one hundred eleven".