122102210111 has 6 divisors (see below), whose sum is σ = 142037264880. Its totient is φ = 104659037196.

The previous prime is 122102210077. The next prime is 122102210129. The reversal of 122102210111 is 111012201221.

It is not a de Polignac number, because 122102210111 - 2³⁴ = 104922340927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102210161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1245940871 + ... + 1245940968.

It is an arithmetic number, because the mean of its divisors is an integer number (23672877480).

Almost surely, 2^122102210111 is an apocalyptic number.

122102210111 is a deficient number, since it is larger than the sum of its proper divisors (19935054769).

122102210111 is an equidigital number, since it uses as much as digits as its factorization.

122102210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491881853 (or 2491881846 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122102210111 its reverse (111012201221), we get a palindrome (233114411332).

The spelling of 122102210111 in words is "one hundred twenty-two billion, one hundred two million, two hundred ten thousand, one hundred eleven".