12210213323111 has 16 divisors (see below), whose sum is σ = 12519020703744. Its totient is φ = 11905901671104.

The previous prime is 12210213323107. The next prime is 12210213323117. The reversal of 12210213323111 is 11132331201221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12210213323111 - 2² = 12210213323107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210213323117) 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 15 ways as a sum of consecutive naturals, for example, 296780 + ... + 4950606.

It is an arithmetic number, because the mean of its divisors is an integer number (782438793984).

Almost surely, 2^{12210213323111} is an apocalyptic number.

12210213323111 is a deficient number, since it is larger than the sum of its proper divisors (308807380633).

12210213323111 is a wasteful number, since it uses less digits than its factorization.

12210213323111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4654310.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12210213323111 its reverse (11132331201221), we get a palindrome (23342544524332).

The spelling of 12210213323111 in words is "twelve trillion, two hundred ten billion, two hundred thirteen million, three hundred twenty-three thousand, one hundred eleven".