12212210111 has 8 divisors (see below), whose sum is σ = 12796057824. Its totient is φ = 11632769280.

The previous prime is 12212210053. The next prime is 12212210147. The reversal of 12212210111 is 11101221221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12212210111 - 2¹⁴ = 12212193727 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 (12212210411) 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, 1096046 + ... + 1107131.

It is an arithmetic number, because the mean of its divisors is an integer number (1599507228).

Almost surely, 2^12212210111 is an apocalyptic number.

12212210111 is a deficient number, since it is larger than the sum of its proper divisors (583847713).

12212210111 is a wasteful number, since it uses less digits than its factorization.

12212210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203441.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12212210111 its reverse (11101221221), we get a palindrome (23313431332).

The spelling of 12212210111 in words is "twelve billion, two hundred twelve million, two hundred ten thousand, one hundred eleven".