34112021 has 4 divisors (see below), whose sum is σ = 34592544. Its totient is φ = 33631500.

The previous prime is 34111991. The next prime is 34112051. The reversal of 34112021 is 12021143.

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 an interprime number because it is at equal distance from previous prime (34111991) and next prime (34112051).

It is a cyclic number.

It is not a de Polignac number, because 34112021 - 2¹⁸ = 33849877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34111987 and 34112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34112051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240155 + ... + 240296.

It is an arithmetic number, because the mean of its divisors is an integer number (8648136).

Almost surely, 2^34112021 is an apocalyptic number.

It is an amenable number.

34112021 is a deficient number, since it is larger than the sum of its proper divisors (480523).

34112021 is an equidigital number, since it uses as much as digits as its factorization.

34112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480522.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 34112021 is about 5840.5497172783. The cubic root of 34112021 is about 324.3165788761.

Adding to 34112021 its reverse (12021143), we get a palindrome (46133164).

The spelling of 34112021 in words is "thirty-four million, one hundred twelve thousand, twenty-one".