122320221013 has 2 divisors, whose sum is σ = 122320221014. Its totient is φ = 122320221012.

The previous prime is 122320221007. The next prime is 122320221019. The reversal of 122320221013 is 310122023221.

It is a balanced prime because it is at equal distance from previous prime (122320221007) and next prime (122320221019).

It can be written as a sum of positive squares in only one way, i.e., 122315969169 + 4251844 = 349737^2 + 2062^2 .

It is a cyclic number.

It is not a de Polignac number, because 122320221013 - 2¹³ = 122320212821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122320221019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61160110506 + 61160110507.

It is an arithmetic number, because the mean of its divisors is an integer number (61160110507).

Almost surely, 2^122320221013 is an apocalyptic number.

It is an amenable number.

122320221013 is a deficient number, since it is larger than the sum of its proper divisors (1).

122320221013 is an equidigital number, since it uses as much as digits as its factorization.

122320221013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 122320221013 its reverse (310122023221), we get a palindrome (432442244234).

The spelling of 122320221013 in words is "one hundred twenty-two billion, three hundred twenty million, two hundred twenty-one thousand, thirteen".