2122344121 has 2 divisors, whose sum is σ = 2122344122. Its totient is φ = 2122344120.

The previous prime is 2122344101. The next prime is 2122344167. The reversal of 2122344121 is 1214432212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1694474896 + 427869225 = 41164^2 + 20685^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122344121 - 2⁵ = 2122344089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122344092 and 2122344101.

It is not a weakly prime, because it can be changed into another prime (2122344101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061172060 + 1061172061.

It is an arithmetic number, because the mean of its divisors is an integer number (1061172061).

Almost surely, 2^2122344121 is an apocalyptic number.

It is an amenable number.

2122344121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122344121 is an equidigital number, since it uses as much as digits as its factorization.

2122344121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 22.

The square root of 2122344121 is about 46068.9062275197. The cubic root of 2122344121 is about 1285.1049631894.

Adding to 2122344121 its reverse (1214432212), we get a palindrome (3336776333).

The spelling of 2122344121 in words is "two billion, one hundred twenty-two million, three hundred forty-four thousand, one hundred twenty-one".