10113120191 has 8 divisors (see below), whose sum is σ = 10708892064. Its totient is φ = 9517446400.

The previous prime is 10113120179. The next prime is 10113120211. The reversal of 10113120191 is 19102131101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10113120191 is a prime.

It is a super-2 number, since 2×10113120191² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10113120131) 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, 361766 + ... + 388716.

It is an arithmetic number, because the mean of its divisors is an integer number (1338611508).

Almost surely, 2^10113120191 is an apocalyptic number.

10113120191 is a deficient number, since it is larger than the sum of its proper divisors (595771873).

10113120191 is a wasteful number, since it uses less digits than its factorization.

10113120191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49041.

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 10113120191 its reverse (19102131101), we get a palindrome (29215251292).

The spelling of 10113120191 in words is "ten billion, one hundred thirteen million, one hundred twenty thousand, one hundred ninety-one".