4105112121 has 12 divisors (see below), whose sum is σ = 6468661680. Its totient is φ = 2487946680.

The previous prime is 4105112093. The next prime is 4105112129. The reversal of 4105112121 is 1212115014.

It is not a de Polignac number, because 4105112121 - 2⁷ = 4105111993 is a prime.

It is a super-2 number, since 2×4105112121² = 33703891051962237282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4105112094 and 4105112103.

It is not an unprimeable number, because it can be changed into a prime (4105112129) 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 11 ways as a sum of consecutive naturals, for example, 20732791 + ... + 20732988.

It is an arithmetic number, because the mean of its divisors is an integer number (539055140).

Almost surely, 2^4105112121 is an apocalyptic number.

It is an amenable number.

4105112121 is a deficient number, since it is larger than the sum of its proper divisors (2363549559).

4105112121 is a wasteful number, since it uses less digits than its factorization.

4105112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41465796 (or 41465793 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 4105112121 is about 64071.1488971440. The cubic root of 4105112121 is about 1601.1855953488.

Adding to 4105112121 its reverse (1212115014), we get a palindrome (5317227135).

The spelling of 4105112121 in words is "four billion, one hundred five million, one hundred twelve thousand, one hundred twenty-one".