10110000110991 has 64 divisors (see below), whose sum is σ = 15769572065280. Its totient is φ = 5698840371840.

The previous prime is 10110000110989. The next prime is 10110000111017. The reversal of 10110000110991 is 19901100001101.

It is not a de Polignac number, because 10110000110991 - 2¹ = 10110000110989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110000115991) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44341680 + ... + 44569098.

It is an arithmetic number, because the mean of its divisors is an integer number (246399563520).

Almost surely, 2^{10110000110991} is an apocalyptic number.

10110000110991 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10110000110991 is a deficient number, since it is larger than the sum of its proper divisors (5659571954289).

10110000110991 is a wasteful number, since it uses less digits than its factorization.

10110000110991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229076.

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

It can be divided in two parts, 10110000110 and 991, that added together give a palindrome (10110001101).

The spelling of 10110000110991 in words is "ten trillion, one hundred ten billion, one hundred ten thousand, nine hundred ninety-one".