2123441101 has 2 divisors, whose sum is σ = 2123441102. Its totient is φ = 2123441100.

The previous prime is 2123441071. The next prime is 2123441123. The reversal of 2123441101 is 1011443212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1672728201 + 450712900 = 40899^2 + 21230^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123441101 - 2¹¹ = 2123439053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123441401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061720550 + 1061720551.

It is an arithmetic number, because the mean of its divisors is an integer number (1061720551).

Almost surely, 2^2123441101 is an apocalyptic number.

It is an amenable number.

2123441101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123441101 is an equidigital number, since it uses as much as digits as its factorization.

2123441101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2123441101 is about 46080.8105505969. The cubic root of 2123441101 is about 1285.3263365935.

Adding to 2123441101 its reverse (1011443212), we get a palindrome (3134884313).

The spelling of 2123441101 in words is "two billion, one hundred twenty-three million, four hundred forty-one thousand, one hundred one".