44121101 has 2 divisors, whose sum is σ = 44121102. Its totient is φ = 44121100.

The previous prime is 44121083. The next prime is 44121149. The reversal of 44121101 is 10112144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40322500 + 3798601 = 6350^2 + 1949^2 .

It is a cyclic number.

It is not a de Polignac number, because 44121101 - 2⁶ = 44121037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44120101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22060550 + 22060551.

It is an arithmetic number, because the mean of its divisors is an integer number (22060551).

Almost surely, 2^44121101 is an apocalyptic number.

It is an amenable number.

44121101 is a deficient number, since it is larger than the sum of its proper divisors (1).

44121101 is an equidigital number, since it uses as much as digits as its factorization.

44121101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 44121101 is about 6642.3716397082. The cubic root of 44121101 is about 353.3584222326.

Adding to 44121101 its reverse (10112144), we get a palindrome (54233245).

The spelling of 44121101 in words is "forty-four million, one hundred twenty-one thousand, one hundred one".