4444421101 has 2 divisors, whose sum is σ = 4444421102. Its totient is φ = 4444421100.

The previous prime is 4444421039. The next prime is 4444421117. The reversal of 4444421101 is 1011244444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3950248201 + 494172900 = 62851^2 + 22230^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444421101 - 2¹³ = 4444412909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4444421141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222210550 + 2222210551.

It is an arithmetic number, because the mean of its divisors is an integer number (2222210551).

Almost surely, 2^4444421101 is an apocalyptic number.

It is an amenable number.

4444421101 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444421101 is an equidigital number, since it uses as much as digits as its factorization.

4444421101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 4444421101 is about 66666.4915906034. The cubic root of 4444421101 is about 1644.1385043877.

Adding to 4444421101 its reverse (1011244444), we get a palindrome (5455665545).

The spelling of 4444421101 in words is "four billion, four hundred forty-four million, four hundred twenty-one thousand, one hundred one".