122012120112011 has 2 divisors, whose sum is σ = 122012120112012. Its totient is φ = 122012120112010.

The previous prime is 122012120111989. The next prime is 122012120112019. The reversal of 122012120112011 is 110211021210221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122012120112011 - 2³⁸ = 121737242205067 is a prime.

It is not a weakly prime, because it can be changed into another prime (122012120112019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61006060056005 + 61006060056006.

It is an arithmetic number, because the mean of its divisors is an integer number (61006060056006).

Almost surely, 2^{122012120112011} is an apocalyptic number.

122012120112011 is a deficient number, since it is larger than the sum of its proper divisors (1).

122012120112011 is an equidigital number, since it uses as much as digits as its factorization.

122012120112011 is an evil number, because the sum of its binary digits is even.

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

Adding to 122012120112011 its reverse (110211021210221), we get a palindrome (232223141322232).

The spelling of 122012120112011 in words is "one hundred twenty-two trillion, twelve billion, one hundred twenty million, one hundred twelve thousand, eleven".