122122003232221 has 4 divisors (see below), whose sum is σ = 122646132001692. Its totient is φ = 121597874462752.

The previous prime is 122122003232209. The next prime is 122122003232293. The reversal of 122122003232221 is 122232300221221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48955364169721 + 73166639062500 = 6996811^2 + 8553750^2 .

It is a cyclic number.

It is not a de Polignac number, because 122122003232221 - 2⁷ = 122122003232093 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 (122122003239221) 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, 262064384386 + ... + 262064384851.

It is an arithmetic number, because the mean of its divisors is an integer number (30661533000423).

Almost surely, 2^{122122003232221} is an apocalyptic number.

It is an amenable number.

122122003232221 is a deficient number, since it is larger than the sum of its proper divisors (524128769471).

122122003232221 is an equidigital number, since it uses as much as digits as its factorization.

122122003232221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524128769470.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 122122003232221 its reverse (122232300221221), we get a palindrome (244354303453442).

The spelling of 122122003232221 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, three million, two hundred thirty-two thousand, two hundred twenty-one".