10191101019 has 16 divisors (see below), whose sum is σ = 14912190720. Its totient is φ = 6139436960.

The previous prime is 10191100991. The next prime is 10191101021. The reversal of 10191101019 is 91010119101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10191101019 is a prime.

It is a super-2 number, since 2×10191101019² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10191101019.

It is not an unprimeable number, because it can be changed into a prime (10191101029) 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 15 ways as a sum of consecutive naturals, for example, 919104 + ... + 930125.

It is an arithmetic number, because the mean of its divisors is an integer number (932011920).

Almost surely, 2^10191101019 is an apocalyptic number.

10191101019 is a deficient number, since it is larger than the sum of its proper divisors (4721089701).

10191101019 is a wasteful number, since it uses less digits than its factorization.

10191101019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849410.

The product of its (nonzero) digits is 81, while the sum is 24.

The spelling of 10191101019 in words is "ten billion, one hundred ninety-one million, one hundred one thousand, nineteen".