3221101112112 has 120 divisors (see below), whose sum is σ = 9708551300448. Its totient is φ = 991055923200.

The previous prime is 3221101112111. The next prime is 3221101112113. The reversal of 3221101112112 is 2112111011223.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3221101112111) and next prime (3221101112113).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3221101112111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50869912 + ... + 50933192.

Almost surely, 2^{3221101112112} is an apocalyptic number.

It is an amenable number.

3221101112112 is an abundant number, since it is smaller than the sum of its proper divisors (6487450188336).

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

3221101112112 is a wasteful number, since it uses less digits than its factorization.

3221101112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90499 (or 90490 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 3221101112112 its reverse (2112111011223), we get a palindrome (5333212123335).

The spelling of 3221101112112 in words is "three trillion, two hundred twenty-one billion, one hundred one million, one hundred twelve thousand, one hundred twelve".