122303220321 has 4 divisors (see below), whose sum is σ = 163070960432. Its totient is φ = 81535480212.

The previous prime is 122303220313. The next prime is 122303220329. The reversal of 122303220321 is 123022303221.

It is a happy number.

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.

It is an interprime number because it is at equal distance from previous prime (122303220313) and next prime (122303220329).

It is not a de Polignac number, because 122303220321 - 2³ = 122303220313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122303220329) 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, 20383870051 + ... + 20383870056.

It is an arithmetic number, because the mean of its divisors is an integer number (40767740108).

Almost surely, 2^122303220321 is an apocalyptic number.

It is an amenable number.

122303220321 is a deficient number, since it is larger than the sum of its proper divisors (40767740111).

122303220321 is an equidigital number, since it uses as much as digits as its factorization.

122303220321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40767740110.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 122303220321 its reverse (123022303221), we get a palindrome (245325523542).

The spelling of 122303220321 in words is "one hundred twenty-two billion, three hundred three million, two hundred twenty thousand, three hundred twenty-one".