3345521211 has 12 divisors (see below), whose sum is σ = 5011398392. Its totient is φ = 2230347312.

The previous prime is 3345521203. The next prime is 3345521237. The reversal of 3345521211 is 1121255433.

It is not a de Polignac number, because 3345521211 - 2³ = 3345521203 is a prime.

It is a super-2 number, since 2×3345521211² = 22385024346501813042, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3345521411) 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 11 ways as a sum of consecutive naturals, for example, 6883546 + ... + 6884031.

Almost surely, 2^3345521211 is an apocalyptic number.

3345521211 is a deficient number, since it is larger than the sum of its proper divisors (1665877181).

3345521211 is an equidigital number, since it uses as much as digits as its factorization.

3345521211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13767592 (or 13767580 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 3345521211 is about 57840.4807293300. The cubic root of 3345521211 is about 1495.6199948183.

Adding to 3345521211 its reverse (1121255433), we get a palindrome (4466776644).

The spelling of 3345521211 in words is "three billion, three hundred forty-five million, five hundred twenty-one thousand, two hundred eleven".