120201002191 has 2 divisors, whose sum is σ = 120201002192. Its totient is φ = 120201002190.

The previous prime is 120201002189. The next prime is 120201002209. The reversal of 120201002191 is 191200102021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120201002191 - 2¹ = 120201002189 is a prime.

Together with 120201002189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120201002591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60100501095 + 60100501096.

It is an arithmetic number, because the mean of its divisors is an integer number (60100501096).

Almost surely, 2^120201002191 is an apocalyptic number.

120201002191 is a deficient number, since it is larger than the sum of its proper divisors (1).

120201002191 is an equidigital number, since it uses as much as digits as its factorization.

120201002191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 120201002191 in words is "one hundred twenty billion, two hundred one million, two thousand, one hundred ninety-one".