122210221193 has 2 divisors, whose sum is σ = 122210221194. Its totient is φ = 122210221192.

The previous prime is 122210221151. The next prime is 122210221249. The reversal of 122210221193 is 391122012221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118951181449 + 3259039744 = 344893^2 + 57088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122210221193 is a prime.

It is not a weakly prime, because it can be changed into another prime (122210241193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61105110596 + 61105110597.

It is an arithmetic number, because the mean of its divisors is an integer number (61105110597).

Almost surely, 2^122210221193 is an apocalyptic number.

It is an amenable number.

122210221193 is a deficient number, since it is larger than the sum of its proper divisors (1).

122210221193 is an equidigital number, since it uses as much as digits as its factorization.

122210221193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 122210221193 in words is "one hundred twenty-two billion, two hundred ten million, two hundred twenty-one thousand, one hundred ninety-three".