3213220221112 has 16 divisors (see below), whose sum is σ = 6572495907000. Its totient is φ = 1460554645920.

The previous prime is 3213220221089. The next prime is 3213220221229. The reversal of 3213220221112 is 2111220223123.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18256932987 + ... + 18256933162.

Almost surely, 2^{3213220221112} is an apocalyptic number.

It is an amenable number.

3213220221112 is an abundant number, since it is smaller than the sum of its proper divisors (3359275685888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3213220221112 is a wasteful number, since it uses less digits than its factorization.

3213220221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36513866166 (or 36513866162 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 3213220221112 its reverse (2111220223123), we get a palindrome (5324440444235).

The spelling of 3213220221112 in words is "three trillion, two hundred thirteen billion, two hundred twenty million, two hundred twenty-one thousand, one hundred twelve".