121320110323168 has 48 divisors (see below), whose sum is σ = 239777000212176. Its totient is φ = 60424631055360.

The previous prime is 121320110323109. The next prime is 121320110323169. The reversal of 121320110323168 is 861323011023121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320110323169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10385103 + ... + 18721393.

It is an arithmetic number, because the mean of its divisors is an integer number (4995354171087).

Almost surely, 2^{121320110323168} is an apocalyptic number.

It is an amenable number.

121320110323168 is a deficient number, since it is larger than the sum of its proper divisors (118456889889008).

121320110323168 is a wasteful number, since it uses less digits than its factorization.

121320110323168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8338067 (or 8338059 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

Adding to 121320110323168 its reverse (861323011023121), we get a palindrome (982643121346289).

The spelling of 121320110323168 in words is "one hundred twenty-one trillion, three hundred twenty billion, one hundred ten million, three hundred twenty-three thousand, one hundred sixty-eight".