122200220121211 has 2 divisors, whose sum is σ = 122200220121212. Its totient is φ = 122200220121210.

The previous prime is 122200220121197. The next prime is 122200220121223. The reversal of 122200220121211 is 112121022002221.

It is a strong prime.

It is an emirp because it is prime and its reverse (112121022002221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122200220121211 - 2³⁵ = 122165860382843 is a prime.

It is not a weakly prime, because it can be changed into another prime (122200220121241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61100110060605 + 61100110060606.

It is an arithmetic number, because the mean of its divisors is an integer number (61100110060606).

Almost surely, 2^{122200220121211} is an apocalyptic number.

122200220121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

122200220121211 is an equidigital number, since it uses as much as digits as its factorization.

122200220121211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122200220121211 its reverse (112121022002221), we get a palindrome (234321242123432).

The spelling of 122200220121211 in words is "one hundred twenty-two trillion, two hundred billion, two hundred twenty million, one hundred twenty-one thousand, two hundred eleven".