4121322109 has 2 divisors, whose sum is σ = 4121322110. Its totient is φ = 4121322108.

The previous prime is 4121322043. The next prime is 4121322131. The reversal of 4121322109 is 9012231214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3718316484 + 403005625 = 60978^2 + 20075^2 .

It is a cyclic number.

It is not a de Polignac number, because 4121322109 - 2²¹ = 4119224957 is a prime.

It is a super-2 number, since 2×4121322109² = 33970591852264415762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4121320109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060661054 + 2060661055.

It is an arithmetic number, because the mean of its divisors is an integer number (2060661055).

Almost surely, 2^4121322109 is an apocalyptic number.

It is an amenable number.

4121322109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4121322109 is an equidigital number, since it uses as much as digits as its factorization.

4121322109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 4121322109 is about 64197.5241656561. The cubic root of 4121322109 is about 1603.2903783523.

The spelling of 4121322109 in words is "four billion, one hundred twenty-one million, three hundred twenty-two thousand, one hundred nine".