3330013021 has 4 divisors (see below), whose sum is σ = 3331191292. Its totient is φ = 3328834752.

The previous prime is 3330013003. The next prime is 3330013097. The reversal of 3330013021 is 1203100333.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1203100333 = 6053 ⋅198761.

It can be written as a sum of positive squares in 2 ways, for example, as 853457796 + 2476555225 = 29214^2 + 49765^2 .

It is a cyclic number.

It is not a de Polignac number, because 3330013021 - 2²³ = 3321624413 is a prime.

It is a super-2 number, since 2×3330013021² = 22177973440059092882, 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 = 3330012986 and 3330013004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3337013021) 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, 584886 + ... + 590551.

It is an arithmetic number, because the mean of its divisors is an integer number (832797823).

Almost surely, 2^3330013021 is an apocalyptic number.

It is an amenable number.

3330013021 is a deficient number, since it is larger than the sum of its proper divisors (1178271).

3330013021 is a wasteful number, since it uses less digits than its factorization.

3330013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178270.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 3330013021 is about 57706.2650064965. The cubic root of 3330013021 is about 1493.3054286291.

Adding to 3330013021 its reverse (1203100333), we get a palindrome (4533113354).

The spelling of 3330013021 in words is "three billion, three hundred thirty million, thirteen thousand, twenty-one".