3330100021 has 4 divisors (see below), whose sum is σ = 3370221792. Its totient is φ = 3289978252.

The previous prime is 3330100013. The next prime is 3330100027. The reversal of 3330100021 is 1200010333.

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 3330100021 - 2³ = 3330100013 is a prime.

It is a super-2 number, since 2×3330100021² = 22179132299728400882, 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 = 3330099974 and 3330100010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3330100027) 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, 20060761 + ... + 20060926.

It is an arithmetic number, because the mean of its divisors is an integer number (842555448).

Almost surely, 2^3330100021 is an apocalyptic number.

It is an amenable number.

3330100021 is a deficient number, since it is larger than the sum of its proper divisors (40121771).

3330100021 is an equidigital number, since it uses as much as digits as its factorization.

3330100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40121770.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 3330100021 is about 57707.0188192043. The cubic root of 3330100021 is about 1493.3184332270.

Adding to 3330100021 its reverse (1200010333), we get a palindrome (4530110354).

The spelling of 3330100021 in words is "three billion, three hundred thirty million, one hundred thousand, twenty-one".