122312031211 has 2 divisors, whose sum is σ = 122312031212. Its totient is φ = 122312031210.

The previous prime is 122312031199. The next prime is 122312031227. The reversal of 122312031211 is 112130213221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122312031211 - 2¹¹ = 122312029163 is a prime.

It is not a weakly prime, because it can be changed into another prime (122312032211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61156015605 + 61156015606.

It is an arithmetic number, because the mean of its divisors is an integer number (61156015606).

Almost surely, 2^122312031211 is an apocalyptic number.

122312031211 is a deficient number, since it is larger than the sum of its proper divisors (1).

122312031211 is an equidigital number, since it uses as much as digits as its factorization.

122312031211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 122312031211 its reverse (112130213221), we get a palindrome (234442244432).

The spelling of 122312031211 in words is "one hundred twenty-two billion, three hundred twelve million, thirty-one thousand, two hundred eleven".