12221211110 has 8 divisors (see below), whose sum is σ = 21998180016. Its totient is φ = 4888484440.

The previous prime is 12221211109. The next prime is 12221211151. The reversal of 12221211110 is 1111212221.

12221211110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611060546 + ... + 611060565.

It is an arithmetic number, because the mean of its divisors is an integer number (2749772502).

Almost surely, 2^12221211110 is an apocalyptic number.

12221211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221211110 is a deficient number, since it is larger than the sum of its proper divisors (9776968906).

12221211110 is a wasteful number, since it uses less digits than its factorization.

12221211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222121118.

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

Adding to 12221211110 its reverse (1111212221), we get a palindrome (13332423331).

The spelling of 12221211110 in words is "twelve billion, two hundred twenty-one million, two hundred eleven thousand, one hundred ten".