121755673366 has 8 divisors (see below), whose sum is σ = 183499072344. Its totient is φ = 60589315920.

The previous prime is 121755673363. The next prime is 121755673381. The reversal of 121755673366 is 663376557121.

It is a happy number.

121755673366 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121755673363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144259855 + ... + 144260698.

It is an arithmetic number, because the mean of its divisors is an integer number (22937384043).

Almost surely, 2^121755673366 is an apocalyptic number.

121755673366 is a deficient number, since it is larger than the sum of its proper divisors (61743398978).

121755673366 is a wasteful number, since it uses less digits than its factorization.

121755673366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288520766.

The product of its digits is 4762800, while the sum is 52.

The spelling of 121755673366 in words is "one hundred twenty-one billion, seven hundred fifty-five million, six hundred seventy-three thousand, three hundred sixty-six".