4112001021 has 8 divisors (see below), whose sum is σ = 5805177984. Its totient is φ = 2580079040.

The previous prime is 4112000951. The next prime is 4112001043. The reversal of 4112001021 is 1201002114.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4112001021 - 2¹⁸ = 4111738877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4112000988 and 4112001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4112001121) 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 7 ways as a sum of consecutive naturals, for example, 40313685 + ... + 40313786.

It is an arithmetic number, because the mean of its divisors is an integer number (725647248).

Almost surely, 2^4112001021 is an apocalyptic number.

It is an amenable number.

4112001021 is a deficient number, since it is larger than the sum of its proper divisors (1693176963).

4112001021 is a wasteful number, since it uses less digits than its factorization.

4112001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80627491.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 4112001021 is about 64124.8861285539. The cubic root of 4112001021 is about 1602.0807591289.

Adding to 4112001021 its reverse (1201002114), we get a palindrome (5313003135).

The spelling of 4112001021 in words is "four billion, one hundred twelve million, one thousand, twenty-one".