4100345121 has 4 divisors (see below), whose sum is σ = 5467126832. Its totient is φ = 2733563412.

The previous prime is 4100345099. The next prime is 4100345191. The reversal of 4100345121 is 1215430014.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4100345121 - 2¹⁷ = 4100214049 is a prime.

It is a super-2 number, since 2×4100345121² = 33625660222617009282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4100345191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683390851 + ... + 683390856.

It is an arithmetic number, because the mean of its divisors is an integer number (1366781708).

Almost surely, 2^4100345121 is an apocalyptic number.

It is an amenable number.

4100345121 is a deficient number, since it is larger than the sum of its proper divisors (1366781711).

4100345121 is a wasteful number, since it uses less digits than its factorization.

4100345121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366781710.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 4100345121 is about 64033.9372598624. The cubic root of 4100345121 is about 1600.5655710209.

Adding to 4100345121 its reverse (1215430014), we get a palindrome (5315775135).

The spelling of 4100345121 in words is "four billion, one hundred million, three hundred forty-five thousand, one hundred twenty-one".