121118456383 has 4 divisors (see below), whose sum is σ = 121131147168. Its totient is φ = 121105765600.

The previous prime is 121118456363. The next prime is 121118456399. The reversal of 121118456383 is 383654811121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383654811121 = 8287 ⋅46295983.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121118456383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121118456363) 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, 6331066 + ... + 6350167.

It is an arithmetic number, because the mean of its divisors is an integer number (30282786792).

Almost surely, 2^121118456383 is an apocalyptic number.

121118456383 is a deficient number, since it is larger than the sum of its proper divisors (12690785).

121118456383 is an equidigital number, since it uses as much as digits as its factorization.

121118456383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12690784.

The product of its digits is 138240, while the sum is 43.

The spelling of 121118456383 in words is "one hundred twenty-one billion, one hundred eighteen million, four hundred fifty-six thousand, three hundred eighty-three".