3333212121 has 16 divisors (see below), whose sum is σ = 4599596160. Its totient is φ = 2144553600.

The previous prime is 3333212119. The next prime is 3333212143. The reversal of 3333212121 is 1212123333.

It is not a de Polignac number, because 3333212121 - 2¹ = 3333212119 is a prime.

It is a super-3 number, since 3×3333212121³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (3333212111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221796 + ... + 236346.

It is an arithmetic number, because the mean of its divisors is an integer number (287474760).

Almost surely, 2^3333212121 is an apocalyptic number.

It is an amenable number.

3333212121 is a deficient number, since it is larger than the sum of its proper divisors (1266384039).

3333212121 is a wasteful number, since it uses less digits than its factorization.

3333212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17216.

The product of its digits is 648, while the sum is 21.

The square root of 3333212121 is about 57733.9771798202. The cubic root of 3333212121 is about 1493.7834752487.

Adding to 3333212121 its reverse (1212123333), we get a palindrome (4545335454).

It can be divided in two parts, 3333212 and 121, that added together give a palindrome (3333333).

The spelling of 3333212121 in words is "three billion, three hundred thirty-three million, two hundred twelve thousand, one hundred twenty-one".