3312111021 has 64 divisors (see below), whose sum is σ = 4891705344. Its totient is φ = 1986969600.

The previous prime is 3312111013. The next prime is 3312111073. The reversal of 3312111021 is 1201112133.

It is a happy number.

It is not a de Polignac number, because 3312111021 - 2³ = 3312111013 is a prime.

It is a super-5 number, since 5×3312111021⁵ (a number of 49 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3312111001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17161101 + ... + 17161293.

It is an arithmetic number, because the mean of its divisors is an integer number (76432896).

Almost surely, 2^3312111021 is an apocalyptic number.

3312111021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3312111021 is a deficient number, since it is larger than the sum of its proper divisors (1579594323).

3312111021 is a wasteful number, since it uses less digits than its factorization.

3312111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 3312111021 is about 57550.9428332847. The cubic root of 3312111021 is about 1490.6246380320.

Adding to 3312111021 its reverse (1201112133), we get a palindrome (4513223154).

The spelling of 3312111021 in words is "three billion, three hundred twelve million, one hundred eleven thousand, twenty-one".