121221033222110 has 32 divisors (see below), whose sum is σ = 220897148667552. Its totient is φ = 47888943800320.

The previous prime is 121221033222043. The next prime is 121221033222127. The reversal of 121221033222110 is 11222330122121.

121221033222110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 20674811 + ... + 25882230.

It is an arithmetic number, because the mean of its divisors is an integer number (6903035895861).

Almost surely, 2^{121221033222110} is an apocalyptic number.

121221033222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121221033222110 is a deficient number, since it is larger than the sum of its proper divisors (99676115445442).

121221033222110 is a wasteful number, since it uses less digits than its factorization.

121221033222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46560268.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121221033222110 its reverse (11222330122121), we get a palindrome (132443363344231).

The spelling of 121221033222110 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, thirty-three million, two hundred twenty-two thousand, one hundred ten".