2002100191 has 8 divisors (see below), whose sum is σ = 2464123424. Its totient is φ = 1584079200.

The previous prime is 2002100099. The next prime is 2002100201. The reversal of 2002100191 is 1910012002.

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 2002100191 - 2²¹ = 2000003039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002106191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11000460 + ... + 11000641.

It is an arithmetic number, because the mean of its divisors is an integer number (308015428).

Almost surely, 2^2002100191 is an apocalyptic number.

2002100191 is a deficient number, since it is larger than the sum of its proper divisors (462023233).

2002100191 is a wasteful number, since it uses less digits than its factorization.

2002100191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22001121.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 2002100191 is about 44744.8342381554. The cubic root of 2002100191 is about 1260.3619080914.

Adding to 2002100191 its reverse (1910012002), we get a palindrome (3912112193).

The spelling of 2002100191 in words is "two billion, two million, one hundred thousand, one hundred ninety-one".