2110444421 has 2 divisors, whose sum is σ = 2110444422. Its totient is φ = 2110444420.

The previous prime is 2110444417. The next prime is 2110444433. The reversal of 2110444421 is 1244440112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1362421921 + 748022500 = 36911^2 + 27350^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110444421 - 2² = 2110444417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2110444411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055222210 + 1055222211.

It is an arithmetic number, because the mean of its divisors is an integer number (1055222211).

Almost surely, 2^2110444421 is an apocalyptic number.

It is an amenable number.

2110444421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110444421 is an equidigital number, since it uses as much as digits as its factorization.

2110444421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 2110444421 is about 45939.5735831320. The cubic root of 2110444421 is about 1282.6986563317.

Adding to 2110444421 its reverse (1244440112), we get a palindrome (3354884533).

The spelling of 2110444421 in words is "two billion, one hundred ten million, four hundred forty-four thousand, four hundred twenty-one".