2001942211 has 4 divisors (see below), whose sum is σ = 2066521024. Its totient is φ = 1937363400.

The previous prime is 2001942203. The next prime is 2001942223. The reversal of 2001942211 is 1122491002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2001942211 - 2³ = 2001942203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001942281) 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, 32289360 + ... + 32289421.

It is an arithmetic number, because the mean of its divisors is an integer number (516630256).

Almost surely, 2^2001942211 is an apocalyptic number.

2001942211 is a deficient number, since it is larger than the sum of its proper divisors (64578813).

2001942211 is an equidigital number, since it uses as much as digits as its factorization.

2001942211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64578812.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2001942211 is about 44743.0688598804. The cubic root of 2001942211 is about 1260.3287567016.

The spelling of 2001942211 in words is "two billion, one million, nine hundred forty-two thousand, two hundred eleven".