2001120347 has 2 divisors, whose sum is σ = 2001120348. Its totient is φ = 2001120346.

The previous prime is 2001120301. The next prime is 2001120349. The reversal of 2001120347 is 7430211002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001120347 - 2²⁴ = 1984343131 is a prime.

Together with 2001120349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2001120349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000560173 + 1000560174.

It is an arithmetic number, because the mean of its divisors is an integer number (1000560174).

Almost surely, 2^2001120347 is an apocalyptic number.

2001120347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001120347 is an equidigital number, since it uses as much as digits as its factorization.

2001120347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2001120347 is about 44733.8836565751. The cubic root of 2001120347 is about 1260.1562641082.

Adding to 2001120347 its reverse (7430211002), we get a palindrome (9431331349).

The spelling of 2001120347 in words is "two billion, one million, one hundred twenty thousand, three hundred forty-seven".