12221110210 has 16 divisors (see below), whose sum is σ = 22326327936. Its totient is φ = 4815481968.

The previous prime is 12221110189. The next prime is 12221110243. The reversal of 12221110210 is 1201112221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9119562 + ... + 9120901.

It is an arithmetic number, because the mean of its divisors is an integer number (1395395496).

Almost surely, 2^12221110210 is an apocalyptic number.

12221110210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221110210 is a deficient number, since it is larger than the sum of its proper divisors (10105217726).

12221110210 is a wasteful number, since it uses less digits than its factorization.

12221110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18240537.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12221110210 its reverse (1201112221), we get a palindrome (13422222431).

The spelling of 12221110210 in words is "twelve billion, two hundred twenty-one million, one hundred ten thousand, two hundred ten".