121866807083 has 8 divisors (see below), whose sum is σ = 142239677952. Its totient is φ = 102234767976.

The previous prime is 121866807079. The next prime is 121866807149. The reversal of 121866807083 is 380708668121.

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 121866807083 - 2² = 121866807079 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121866807883) 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, 185207585 + ... + 185208242.

It is an arithmetic number, because the mean of its divisors is an integer number (17779959744).

Almost surely, 2^121866807083 is an apocalyptic number.

121866807083 is a deficient number, since it is larger than the sum of its proper divisors (20372870869).

121866807083 is an equidigital number, since it uses as much as digits as its factorization.

121866807083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370415881.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 121866807083 in words is "one hundred twenty-one billion, eight hundred sixty-six million, eight hundred seven thousand, eighty-three".