3112021 has 4 divisors (see below), whose sum is σ = 3394944. Its totient is φ = 2829100.

The previous prime is 3112007. The next prime is 3112069. The reversal of 3112021 is 1202113.

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 a cyclic number.

It is not a de Polignac number, because 3112021 - 2¹³ = 3103829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3111989 and 3112007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112091) 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, 141445 + ... + 141466.

It is an arithmetic number, because the mean of its divisors is an integer number (848736).

Almost surely, 2^3112021 is an apocalyptic number.

It is an amenable number.

3112021 is a deficient number, since it is larger than the sum of its proper divisors (282923).

3112021 is a wasteful number, since it uses less digits than its factorization.

3112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282922.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 3112021 is about 1764.0921177762. The cubic root of 3112021 is about 145.9982016417.

Adding to 3112021 its reverse (1202113), we get a palindrome (4314134).

It can be divided in two parts, 311 and 2021, that added together give a palindrome (2332).

The spelling of 3112021 in words is "three million, one hundred twelve thousand, twenty-one".