101100110011091 has 4 divisors (see below), whose sum is σ = 101100142460184. Its totient is φ = 101100077562000.

The previous prime is 101100110011067. The next prime is 101100110011151. The reversal of 101100110011091 is 190110011001101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101100110011091 - 2²⁶ = 101100042902227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101100110011031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10987610 + ... + 17970191.

It is an arithmetic number, because the mean of its divisors is an integer number (25275035615046).

Almost surely, 2^{101100110011091} is an apocalyptic number.

101100110011091 is a deficient number, since it is larger than the sum of its proper divisors (32449093).

101100110011091 is an equidigital number, since it uses as much as digits as its factorization.

101100110011091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32449092.

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

Adding to 101100110011091 its reverse (190110011001101), we get a palindrome (291210121012192).

The spelling of 101100110011091 in words is "one hundred one trillion, one hundred billion, one hundred ten million, eleven thousand, ninety-one".