4113100721 has 16 divisors (see below), whose sum is σ = 4244570880. Its totient is φ = 3984266880.

The previous prime is 4113100699. The next prime is 4113100727. The reversal of 4113100721 is 1270013114.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4113100721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4113100693 and 4113100702.

It is not an unprimeable number, because it can be changed into a prime (4113100727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 998456 + ... + 1002566.

It is an arithmetic number, because the mean of its divisors is an integer number (265285680).

Almost surely, 2^4113100721 is an apocalyptic number.

It is an amenable number.

4113100721 is a deficient number, since it is larger than the sum of its proper divisors (131470159).

4113100721 is a wasteful number, since it uses less digits than its factorization.

4113100721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 4113100721 is about 64133.4602294309. The cubic root of 4113100721 is about 1602.2235647985.

Adding to 4113100721 its reverse (1270013114), we get a palindrome (5383113835).

The spelling of 4113100721 in words is "four billion, one hundred thirteen million, one hundred thousand, seven hundred twenty-one".