3331021021 has 8 divisors (see below), whose sum is σ = 3640737024. Its totient is φ = 3033946560.

The previous prime is 3331021013. The next prime is 3331021027. The reversal of 3331021021 is 1201201333.

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 3331021021 - 2³ = 3331021013 is a prime.

It is a super-2 number, since 2×3331021021² = 22191402084687764882, 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 = 3331020986 and 3331021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3331021027) 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 7 ways as a sum of consecutive naturals, for example, 3159835 + ... + 3160888.

It is an arithmetic number, because the mean of its divisors is an integer number (455092128).

Almost surely, 2^3331021021 is an apocalyptic number.

3331021021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3331021021 is a deficient number, since it is larger than the sum of its proper divisors (309716003).

3331021021 is a wasteful number, since it uses less digits than its factorization.

3331021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6320771.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3331021021 is about 57714.9982326951. The cubic root of 3331021021 is about 1493.4560887023.

Adding to 3331021021 its reverse (1201201333), we get a palindrome (4532222354).

The spelling of 3331021021 in words is "three billion, three hundred thirty-one million, twenty-one thousand, twenty-one".