12021103220116 has 24 divisors (see below), whose sum is σ = 22144266200000. Its totient is φ = 5694173697024.

The previous prime is 12021103220057. The next prime is 12021103220117. The reversal of 12021103220116 is 61102230112021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021103220117) 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 7 ways as a sum of consecutive naturals, for example, 17077945 + ... + 17767903.

Almost surely, 2^{12021103220116} is an apocalyptic number.

It is an amenable number.

12021103220116 is a deficient number, since it is larger than the sum of its proper divisors (10123162979884).

12021103220116 is a wasteful number, since it uses less digits than its factorization.

12021103220116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919231 (or 919229 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 12021103220116 its reverse (61102230112021), we get a palindrome (73123333332137).

The spelling of 12021103220116 in words is "twelve trillion, twenty-one billion, one hundred three million, two hundred twenty thousand, one hundred sixteen".