10091010091 has 8 divisors (see below), whose sum is σ = 10192960368. Its totient is φ = 9989100000.

The previous prime is 10091010089. The next prime is 10091010107. The reversal of 10091010091 is 19001019001.

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 10091010091 - 2¹ = 10091010089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10091010001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994956 + ... + 1005046.

It is an arithmetic number, because the mean of its divisors is an integer number (1274120046).

Almost surely, 2^10091010091 is an apocalyptic number.

10091010091 is a deficient number, since it is larger than the sum of its proper divisors (101950277).

10091010091 is a wasteful number, since it uses less digits than its factorization.

10091010091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20093.

The product of its (nonzero) digits is 81, while the sum is 22.

Adding to 10091010091 its reverse (19001019001), we get a palindrome (29092029092).

The spelling of 10091010091 in words is "ten billion, ninety-one million, ten thousand, ninety-one".