122210030161 has 2 divisors, whose sum is σ = 122210030162. Its totient is φ = 122210030160.

The previous prime is 122210030149. The next prime is 122210030213. The reversal of 122210030161 is 161030012221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90875719936 + 31334310225 = 301456^2 + 177015^2 .

It is a cyclic number.

It is not a de Polignac number, because 122210030161 - 2²⁷ = 122075812433 is a prime.

It is not a weakly prime, because it can be changed into another prime (122210030461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61105015080 + 61105015081.

It is an arithmetic number, because the mean of its divisors is an integer number (61105015081).

Almost surely, 2^122210030161 is an apocalyptic number.

It is an amenable number.

122210030161 is a deficient number, since it is larger than the sum of its proper divisors (1).

122210030161 is an equidigital number, since it uses as much as digits as its factorization.

122210030161 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 122210030161 its reverse (161030012221), we get a palindrome (283240042382).

The spelling of 122210030161 in words is "one hundred twenty-two billion, two hundred ten million, thirty thousand, one hundred sixty-one".