33122422121 has 2 divisors, whose sum is σ = 33122422122. Its totient is φ = 33122422120.

The previous prime is 33122422117. The next prime is 33122422171. The reversal of 33122422121 is 12122422133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23334090025 + 9788332096 = 152755^2 + 98936^2 .

It is an emirp because it is prime and its reverse (12122422133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33122422121 - 2² = 33122422117 is a prime.

It is not a weakly prime, because it can be changed into another prime (33122422171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16561211060 + 16561211061.

It is an arithmetic number, because the mean of its divisors is an integer number (16561211061).

Almost surely, 2^33122422121 is an apocalyptic number.

It is an amenable number.

33122422121 is a deficient number, since it is larger than the sum of its proper divisors (1).

33122422121 is an equidigital number, since it uses as much as digits as its factorization.

33122422121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

Adding to 33122422121 its reverse (12122422133), we get a palindrome (45244844254).

The spelling of 33122422121 in words is "thirty-three billion, one hundred twenty-two million, four hundred twenty-two thousand, one hundred twenty-one".