122123221301 has 4 divisors (see below), whose sum is σ = 122647355532. Its totient is φ = 121599087072.

The previous prime is 122123221289. The next prime is 122123221321. The reversal of 122123221301 is 103122321221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103122321221 = 31 ⋅3326526491.

It can be written as a sum of positive squares in 2 ways, for example, as 39759961201 + 82363260100 = 199399^2 + 286990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122123221301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122123221321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262066766 + ... + 262067231.

It is an arithmetic number, because the mean of its divisors is an integer number (30661838883).

Almost surely, 2^122123221301 is an apocalyptic number.

It is an amenable number.

122123221301 is a deficient number, since it is larger than the sum of its proper divisors (524134231).

122123221301 is an equidigital number, since it uses as much as digits as its factorization.

122123221301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524134230.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 122123221301 its reverse (103122321221), we get a palindrome (225245542522).

The spelling of 122123221301 in words is "one hundred twenty-two billion, one hundred twenty-three million, two hundred twenty-one thousand, three hundred one".