119921862017 has 4 divisors (see below), whose sum is σ = 119930898096. Its totient is φ = 119912825940.

The previous prime is 119921862001. The next prime is 119921862019. The reversal of 119921862017 is 710268129911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 710268129911 = 227 ⋅3128934493.

It is a cyclic number.

It is not a de Polignac number, because 119921862017 - 2⁴ = 119921862001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (119921862019) 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, 4498103 + ... + 4524684.

It is an arithmetic number, because the mean of its divisors is an integer number (29982724524).

Almost surely, 2^119921862017 is an apocalyptic number.

It is an amenable number.

119921862017 is a deficient number, since it is larger than the sum of its proper divisors (9036079).

119921862017 is an equidigital number, since it uses as much as digits as its factorization.

119921862017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9036078.

The product of its (nonzero) digits is 108864, while the sum is 47.

The spelling of 119921862017 in words is "one hundred nineteen billion, nine hundred twenty-one million, eight hundred sixty-two thousand, seventeen".