44121111 has 8 divisors (see below), whose sum is σ = 59047920. Its totient is φ = 29304192.

The previous prime is 44121101. The next prime is 44121149. The reversal of 44121111 is 11112144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44121111 - 2⁵ = 44121079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44121101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26530 + ... + 28143.

It is an arithmetic number, because the mean of its divisors is an integer number (7380990).

Almost surely, 2^44121111 is an apocalyptic number.

44121111 is a deficient number, since it is larger than the sum of its proper divisors (14926809).

44121111 is a wasteful number, since it uses less digits than its factorization.

44121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54945.

The product of its digits is 32, while the sum is 15.

The square root of 44121111 is about 6642.3723924514. The cubic root of 44121111 is about 353.3584489287.

Adding to 44121111 its reverse (11112144), we get a palindrome (55233255).

The spelling of 44121111 in words is "forty-four million, one hundred twenty-one thousand, one hundred eleven".