4441100121 has 24 divisors (see below), whose sum is σ = 6594591744. Its totient is φ = 2877962400.

The previous prime is 4441100117. The next prime is 4441100129. The reversal of 4441100121 is 1210011444.

4441100121 is a `hidden beast` number, since 4 + 441 + 100 + 121 = 666.

It is not a de Polignac number, because 4441100121 - 2² = 4441100117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4441100094 and 4441100103.

It is not an unprimeable number, because it can be changed into a prime (4441100129) 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 in 23 ways as a sum of consecutive naturals, for example, 377490 + ... + 389076.

It is an arithmetic number, because the mean of its divisors is an integer number (274774656).

Almost surely, 2^4441100121 is an apocalyptic number.

It is an amenable number.

4441100121 is a deficient number, since it is larger than the sum of its proper divisors (2153491623).

4441100121 is a wasteful number, since it uses less digits than its factorization.

4441100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12781 (or 12778 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 4441100121 is about 66641.5795205966. The cubic root of 4441100121 is about 1643.7288888632.

Adding to 4441100121 its reverse (1210011444), we get a palindrome (5651111565).

The spelling of 4441100121 in words is "four billion, four hundred forty-one million, one hundred thousand, one hundred twenty-one".