2112323221016 has 16 divisors (see below), whose sum is σ = 3960628158600. Its totient is φ = 1056155712064.

The previous prime is 2112323221003. The next prime is 2112323221027. The reversal of 2112323221016 is 6101223232112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035395 + ... + 2301453.

Almost surely, 2^{2112323221016} is an apocalyptic number.

It is an amenable number.

2112323221016 is a deficient number, since it is larger than the sum of its proper divisors (1848304937584).

2112323221016 is a wasteful number, since it uses less digits than its factorization.

2112323221016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474618 (or 1474614 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 2112323221016 its reverse (6101223232112), we get a palindrome (8213546453128).

The spelling of 2112323221016 in words is "two trillion, one hundred twelve billion, three hundred twenty-three million, two hundred twenty-one thousand, sixteen".