12221120210110 has 128 divisors (see below), whose sum is σ = 25716193735680. Its totient is φ = 4095352203264.

The previous prime is 12221120210077. The next prime is 12221120210153. The reversal of 12221120210110 is 1101202112221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 470591206 + ... + 470617174.

It is an arithmetic number, because the mean of its divisors is an integer number (200907763560).

Almost surely, 2^{12221120210110} is an apocalyptic number.

12221120210110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221120210110 is an abundant number, since it is smaller than the sum of its proper divisors (13495073525570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12221120210110 is a wasteful number, since it uses less digits than its factorization.

12221120210110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26930.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12221120210110 its reverse (1101202112221), we get a palindrome (13322322322331).

The spelling of 12221120210110 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty million, two hundred ten thousand, one hundred ten".