123221222301 has 4 divisors (see below), whose sum is σ = 164294963072. Its totient is φ = 82147481532.

The previous prime is 123221222279. The next prime is 123221222317. The reversal of 123221222301 is 103222122321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 103222122321 = 3 ⋅34407374107.

It is a de Polignac number, because none of the positive numbers 2^k-123221222301 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 (123221222321) 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 3 ways as a sum of consecutive naturals, for example, 20536870381 + ... + 20536870386.

It is an arithmetic number, because the mean of its divisors is an integer number (41073740768).

Almost surely, 2^123221222301 is an apocalyptic number.

It is an amenable number.

123221222301 is a deficient number, since it is larger than the sum of its proper divisors (41073740771).

123221222301 is an equidigital number, since it uses as much as digits as its factorization.

123221222301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41073740770.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 123221222301 its reverse (103222122321), we get a palindrome (226443344622).

The spelling of 123221222301 in words is "one hundred twenty-three billion, two hundred twenty-one million, two hundred twenty-two thousand, three hundred one".