2122330121 has 2 divisors, whose sum is σ = 2122330122. Its totient is φ = 2122330120.

The previous prime is 2122330103. The next prime is 2122330183. The reversal of 2122330121 is 1210332212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1645519225 + 476810896 = 40565^2 + 21836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122330121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122330121.

It is not a weakly prime, because it can be changed into another prime (2122330321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061165060 + 1061165061.

It is an arithmetic number, because the mean of its divisors is an integer number (1061165061).

Almost surely, 2^2122330121 is an apocalyptic number.

It is an amenable number.

2122330121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122330121 is an equidigital number, since it uses as much as digits as its factorization.

2122330121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2122330121 is about 46068.7542809657. The cubic root of 2122330121 is about 1285.1021374602.

Adding to 2122330121 its reverse (1210332212), we get a palindrome (3332662333).

The spelling of 2122330121 in words is "two billion, one hundred twenty-two million, three hundred thirty thousand, one hundred twenty-one".