121338168845 has 8 divisors (see below), whose sum is σ = 146080090464. Its totient is φ = 96754343184.

The previous prime is 121338168841. The next prime is 121338168851. The reversal of 121338168845 is 548861833121.

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

It is a cyclic number.

It is not a de Polignac number, because 121338168845 - 2² = 121338168841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121338168793 and 121338168802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121338168841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39522299 + ... + 39525368.

It is an arithmetic number, because the mean of its divisors is an integer number (18260011308).

Almost surely, 2^121338168845 is an apocalyptic number.

It is an amenable number.

121338168845 is a deficient number, since it is larger than the sum of its proper divisors (24741921619).

121338168845 is an equidigital number, since it uses as much as digits as its factorization.

121338168845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79047979.

The product of its digits is 1105920, while the sum is 50.

The spelling of 121338168845 in words is "one hundred twenty-one billion, three hundred thirty-eight million, one hundred sixty-eight thousand, eight hundred forty-five".