12101222110 has 32 divisors (see below), whose sum is σ = 22388889600. Its totient is φ = 4706680608.

The previous prime is 12101222101. The next prime is 12101222123. The reversal of 12101222110 is 1122210121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32791 + ... + 158989.

It is an arithmetic number, because the mean of its divisors is an integer number (699652800).

Almost surely, 2^12101222110 is an apocalyptic number.

12101222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101222110 is a deficient number, since it is larger than the sum of its proper divisors (10287667490).

12101222110 is a wasteful number, since it uses less digits than its factorization.

12101222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126472.

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

Adding to 12101222110 its reverse (1122210121), we get a palindrome (13223432231).

The spelling of 12101222110 in words is "twelve billion, one hundred one million, two hundred twenty-two thousand, one hundred ten".