100110111010091 has 32 divisors (see below), whose sum is σ = 124366424813568. Its totient is φ = 78466184645760.

The previous prime is 100110111010061. The next prime is 100110111010103. The reversal of 100110111010091 is 190010111011001.

It is a cyclic number.

It is not a de Polignac number, because 100110111010091 - 2²⁶ = 100110043901227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100110111010001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 904911206 + ... + 905021828.

It is an arithmetic number, because the mean of its divisors is an integer number (3886450775424).

Almost surely, 2^{100110111010091} is an apocalyptic number.

100110111010091 is a deficient number, since it is larger than the sum of its proper divisors (24256313803477).

100110111010091 is a wasteful number, since it uses less digits than its factorization.

100110111010091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203691.

The product of its (nonzero) digits is 9, while the sum is 17.

Adding to 100110111010091 its reverse (190010111011001), we get a palindrome (290120222021092).

The spelling of 100110111010091 in words is "one hundred trillion, one hundred ten billion, one hundred eleven million, ten thousand, ninety-one".