10091120971 has 4 divisors (see below), whose sum is σ = 10117747000. Its totient is φ = 10064494944.

The previous prime is 10091120969. The next prime is 10091121031. The reversal of 10091120971 is 17902119001.

It is a happy number.

10091120971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17902119001 = 13 ⋅1377086077.

It is a cyclic number.

It is not a de Polignac number, because 10091120971 - 2¹ = 10091120969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10091120071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13312446 + ... + 13313203.

It is an arithmetic number, because the mean of its divisors is an integer number (2529436750).

Almost surely, 2^10091120971 is an apocalyptic number.

10091120971 is a deficient number, since it is larger than the sum of its proper divisors (26626029).

10091120971 is an equidigital number, since it uses as much as digits as its factorization.

10091120971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26626028.

The product of its (nonzero) digits is 1134, while the sum is 31.

Adding to 10091120971 its reverse (17902119001), we get a palindrome (27993239972).

The spelling of 10091120971 in words is "ten billion, ninety-one million, one hundred twenty thousand, nine hundred seventy-one".