121365066995 has 8 divisors (see below), whose sum is σ = 153303242640. Its totient is φ = 91981945440.

The previous prime is 121365066959. The next prime is 121365066997. The reversal of 121365066995 is 599660563121.

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

It is a de Polignac number, because none of the positive numbers 2^k-121365066995 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121365066997) 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, 638763416 + ... + 638763605.

It is an arithmetic number, because the mean of its divisors is an integer number (19162905330).

Almost surely, 2^121365066995 is an apocalyptic number.

121365066995 is a deficient number, since it is larger than the sum of its proper divisors (31938175645).

121365066995 is a wasteful number, since it uses less digits than its factorization.

121365066995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277527045.

The product of its (nonzero) digits is 2624400, while the sum is 53.

The spelling of 121365066995 in words is "one hundred twenty-one billion, three hundred sixty-five million, sixty-six thousand, nine hundred ninety-five".