122206791191 has 8 divisors (see below), whose sum is σ = 122674020480. Its totient is φ = 121739658208.

The previous prime is 122206791173. The next prime is 122206791193. The reversal of 122206791191 is 191197602221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122206791191 - 2⁶ = 122206791127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122206791193) 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 in 7 ways as a sum of consecutive naturals, for example, 3489530 + ... + 3524376.

It is an arithmetic number, because the mean of its divisors is an integer number (15334252560).

Almost surely, 2^122206791191 is an apocalyptic number.

122206791191 is a deficient number, since it is larger than the sum of its proper divisors (467229289).

122206791191 is a wasteful number, since it uses less digits than its factorization.

122206791191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48153.

The product of its (nonzero) digits is 27216, while the sum is 41.

The spelling of 122206791191 in words is "one hundred twenty-two billion, two hundred six million, seven hundred ninety-one thousand, one hundred ninety-one".