3221121210112 has 72 divisors (see below), whose sum is σ = 7085278504304. Its totient is φ = 1452097511424.

The previous prime is 3221121210103. The next prime is 3221121210119. The reversal of 3221121210112 is 2110121211223.

3221121210112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3221121210112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221121210119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11111373 + ... + 11397580.

Almost surely, 2^{3221121210112} is an apocalyptic number.

3221121210112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3221121210112 is an abundant number, since it is smaller than the sum of its proper divisors (3864157294192).

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

3221121210112 is a wasteful number, since it uses less digits than its factorization.

3221121210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22509025 (or 22509011 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 3221121210112 its reverse (2110121211223), we get a palindrome (5331242421335).

The spelling of 3221121210112 in words is "three trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred ten thousand, one hundred twelve".