122112212011 has 2 divisors, whose sum is σ = 122112212012. Its totient is φ = 122112212010.

The previous prime is 122112211997. The next prime is 122112212021. The reversal of 122112212011 is 110212211221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122112212011 - 2⁵ = 122112211979 is a prime.

It is a super-2 number, since 2×122112212011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122112212021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61056106005 + 61056106006.

It is an arithmetic number, because the mean of its divisors is an integer number (61056106006).

Almost surely, 2^122112212011 is an apocalyptic number.

122112212011 is a deficient number, since it is larger than the sum of its proper divisors (1).

122112212011 is an equidigital number, since it uses as much as digits as its factorization.

122112212011 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 16.

Adding to 122112212011 its reverse (110212211221), we get a palindrome (232324423232).

It can be divided in two parts, 12211 and 2212011, that added together give a palindrome (2224222).

The spelling of 122112212011 in words is "one hundred twenty-two billion, one hundred twelve million, two hundred twelve thousand, eleven".