122102011 has 2 divisors, whose sum is σ = 122102012. Its totient is φ = 122102010.

The previous prime is 122101949. The next prime is 122102017. The reversal of 122102011 is 110201221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122102011 - 2¹⁷ = 121970939 is a prime.

It is not a weakly prime, because it can be changed into another prime (122102017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61051005 + 61051006.

It is an arithmetic number, because the mean of its divisors is an integer number (61051006).

Almost surely, 2^122102011 is an apocalyptic number.

122102011 is a deficient number, since it is larger than the sum of its proper divisors (1).

122102011 is an equidigital number, since it uses as much as digits as its factorization.

122102011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 122102011 is about 11049.9778732810. The cubic root of 122102011 is about 496.1057632488.

Adding to 122102011 its reverse (110201221), we get a palindrome (232303232).

The spelling of 122102011 in words is "one hundred twenty-two million, one hundred two thousand, eleven".