10000111101091 has 8 divisors (see below), whose sum is σ = 10361985275520. Its totient is φ = 9639373110528.

The previous prime is 10000111101061. The next prime is 10000111101107. The reversal of 10000111101091 is 19010111100001.

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 10000111101091 - 2¹⁵ = 10000111068323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000111101011) 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, 284028046 + ... + 284063251.

It is an arithmetic number, because the mean of its divisors is an integer number (1295248159440).

Almost surely, 2^{10000111101091} is an apocalyptic number.

10000111101091 is a deficient number, since it is larger than the sum of its proper divisors (361874174429).

10000111101091 is an equidigital number, since it uses as much as digits as its factorization.

10000111101091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568091933.

The product of its (nonzero) digits is 9, while the sum is 16.

Adding to 10000111101091 its reverse (19010111100001), we get a palindrome (29010222201092).

The spelling of 10000111101091 in words is "ten trillion, one hundred eleven million, one hundred one thousand, ninety-one".