122111202211 has 2 divisors, whose sum is σ = 122111202212. Its totient is φ = 122111202210.

The previous prime is 122111202179. The next prime is 122111202217. The reversal of 122111202211 is 112202111221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122111202211 - 2⁵ = 122111202179 is a prime.

It is a super-2 number, since 2×122111202211² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122111202217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61055601105 + 61055601106.

It is an arithmetic number, because the mean of its divisors is an integer number (61055601106).

Almost surely, 2^122111202211 is an apocalyptic number.

122111202211 is a deficient number, since it is larger than the sum of its proper divisors (1).

122111202211 is an equidigital number, since it uses as much as digits as its factorization.

122111202211 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 122111202211 its reverse (112202111221), we get a palindrome (234313313432).

The spelling of 122111202211 in words is "one hundred twenty-two billion, one hundred eleven million, two hundred two thousand, two hundred eleven".