4133112021 has 16 divisors (see below), whose sum is σ = 6135721600. Its totient is φ = 2749741344.

The previous prime is 4133112017. The next prime is 4133112023. The reversal of 4133112021 is 1202113314.

It is not a de Polignac number, because 4133112021 - 2² = 4133112017 is a prime.

It is a super-2 number, since 2×4133112021² = 34165229956269408882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4133111985 and 4133112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4133112023) 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 15 ways as a sum of consecutive naturals, for example, 144016 + ... + 170313.

It is an arithmetic number, because the mean of its divisors is an integer number (383482600).

Almost surely, 2^4133112021 is an apocalyptic number.

It is an amenable number.

4133112021 is a deficient number, since it is larger than the sum of its proper divisors (2002609579).

4133112021 is a wasteful number, since it uses less digits than its factorization.

4133112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314825 (or 314819 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 4133112021 is about 64289.2838737530. The cubic root of 4133112021 is about 1604.8177730050.

Adding to 4133112021 its reverse (1202113314), we get a palindrome (5335225335).

The spelling of 4133112021 in words is "four billion, one hundred thirty-three million, one hundred twelve thousand, twenty-one".