122204121001 has 2 divisors, whose sum is σ = 122204121002. Its totient is φ = 122204121000.

The previous prime is 122204120999. The next prime is 122204121043. The reversal of 122204121001 is 100121402221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109230911001 + 12973210000 = 330501^2 + 113900^2 .

It is a cyclic number.

It is not a de Polignac number, because 122204121001 - 2¹ = 122204120999 is a prime.

Together with 122204120999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (122204121401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61102060500 + 61102060501.

It is an arithmetic number, because the mean of its divisors is an integer number (61102060501).

Almost surely, 2^122204121001 is an apocalyptic number.

It is an amenable number.

122204121001 is a deficient number, since it is larger than the sum of its proper divisors (1).

122204121001 is an equidigital number, since it uses as much as digits as its factorization.

122204121001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122204121001 its reverse (100121402221), we get a palindrome (222325523222).

The spelling of 122204121001 in words is "one hundred twenty-two billion, two hundred four million, one hundred twenty-one thousand, one".