121110320223 has 6 divisors (see below), whose sum is σ = 174937129224. Its totient is φ = 80740213476.

The previous prime is 121110320207. The next prime is 121110320267. The reversal of 121110320223 is 322023011121.

121110320223 is a `hidden beast` number, since 12 + 1 + 110 + 320 + 223 = 666.

It is not a de Polignac number, because 121110320223 - 2⁴ = 121110320207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121110320196 and 121110320205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110340223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6728351115 + ... + 6728351132.

It is an arithmetic number, because the mean of its divisors is an integer number (29156188204).

Almost surely, 2^121110320223 is an apocalyptic number.

121110320223 is a deficient number, since it is larger than the sum of its proper divisors (53826809001).

121110320223 is a wasteful number, since it uses less digits than its factorization.

121110320223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13456702253 (or 13456702250 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121110320223 its reverse (322023011121), we get a palindrome (443133331344).

The spelling of 121110320223 in words is "one hundred twenty-one billion, one hundred ten million, three hundred twenty thousand, two hundred twenty-three".