10010000020191 has 16 divisors (see below), whose sum is σ = 13479094407168. Its totient is φ = 6607122260000.

The previous prime is 10010000020159. The next prime is 10010000020201. The reversal of 10010000020191 is 19102000001001.

It is a cyclic number.

It is not a de Polignac number, because 10010000020191 - 2⁵ = 10010000020159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10010000020191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010000010191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15299530 + ... + 15940376.

It is an arithmetic number, because the mean of its divisors is an integer number (842443400448).

Almost surely, 2^{10010000020191} is an apocalyptic number.

10010000020191 is a deficient number, since it is larger than the sum of its proper divisors (3469094386977).

10010000020191 is a wasteful number, since it uses less digits than its factorization.

10010000020191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692502.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 10010000020191 its reverse (19102000001001), we get a palindrome (29112000021192).

The spelling of 10010000020191 in words is "ten trillion, ten billion, twenty thousand, one hundred ninety-one".