12221201121110 has 16 divisors (see below), whose sum is σ = 21999119997456. Its totient is φ = 4888267564128.

The previous prime is 12221201121091. The next prime is 12221201121163. The reversal of 12221201121110 is 1112110212221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26369324 + ... + 26828783.

It is an arithmetic number, because the mean of its divisors is an integer number (1374944999841).

Almost surely, 2^{12221201121110} is an apocalyptic number.

12221201121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221201121110 is a deficient number, since it is larger than the sum of its proper divisors (9777918876346).

12221201121110 is a wasteful number, since it uses less digits than its factorization.

12221201121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53221087.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12221201121110 its reverse (1112110212221), we get a palindrome (13333311333331).

The spelling of 12221201121110 in words is "twelve trillion, two hundred twenty-one billion, two hundred one million, one hundred twenty-one thousand, one hundred ten".