122101211110211 has 2 divisors, whose sum is σ = 122101211110212. Its totient is φ = 122101211110210.

The previous prime is 122101211110199. The next prime is 122101211110213. The reversal of 122101211110211 is 112011112101221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122101211110211 is a prime.

Together with 122101211110213, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122101211110211.

It is not a weakly prime, because it can be changed into another prime (122101211110213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050605555105 + 61050605555106.

It is an arithmetic number, because the mean of its divisors is an integer number (61050605555106).

Almost surely, 2^{122101211110211} is an apocalyptic number.

122101211110211 is a deficient number, since it is larger than the sum of its proper divisors (1).

122101211110211 is an equidigital number, since it uses as much as digits as its factorization.

122101211110211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 122101211110211 its reverse (112011112101221), we get a palindrome (234112323211432).

The spelling of 122101211110211 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred eleven million, one hundred ten thousand, two hundred eleven".