122000211191 has 2 divisors, whose sum is σ = 122000211192. Its totient is φ = 122000211190.

The previous prime is 122000211169. The next prime is 122000211241. The reversal of 122000211191 is 191112000221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122000211191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122000211101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000105595 + 61000105596.

It is an arithmetic number, because the mean of its divisors is an integer number (61000105596).

Almost surely, 2^122000211191 is an apocalyptic number.

122000211191 is a deficient number, since it is larger than the sum of its proper divisors (1).

122000211191 is an equidigital number, since it uses as much as digits as its factorization.

122000211191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 122000211191 in words is "one hundred twenty-two billion, two hundred eleven thousand, one hundred ninety-one".