121123220110 has 8 divisors (see below), whose sum is σ = 218021796216. Its totient is φ = 48449288040.

The previous prime is 121123220063. The next prime is 121123220131. The reversal of 121123220110 is 11022321121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6056160996 + ... + 6056161015.

It is an arithmetic number, because the mean of its divisors is an integer number (27252724527).

Almost surely, 2^121123220110 is an apocalyptic number.

121123220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121123220110 is a deficient number, since it is larger than the sum of its proper divisors (96898576106).

121123220110 is a wasteful number, since it uses less digits than its factorization.

121123220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12112322018.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121123220110 its reverse (11022321121), we get a palindrome (132145541231).

The spelling of 121123220110 in words is "one hundred twenty-one billion, one hundred twenty-three million, two hundred twenty thousand, one hundred ten".