120201918391 has 8 divisors (see below), whose sum is σ = 120356171504. Its totient is φ = 120047754240.

The previous prime is 120201918371. The next prime is 120201918401. The reversal of 120201918391 is 193819102021.

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 120201918391 - 2⁹ = 120201917879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120201918391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201918341) 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, 2927836 + ... + 2968606.

It is an arithmetic number, because the mean of its divisors is an integer number (15044521438).

Almost surely, 2^120201918391 is an apocalyptic number.

120201918391 is a deficient number, since it is larger than the sum of its proper divisors (154253113).

120201918391 is a wasteful number, since it uses less digits than its factorization.

120201918391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44481.

The product of its (nonzero) digits is 7776, while the sum is 37.

The spelling of 120201918391 in words is "one hundred twenty billion, two hundred one million, nine hundred eighteen thousand, three hundred ninety-one".