109111019101 has 4 divisors (see below), whose sum is σ = 124698307552. Its totient is φ = 93523730652.

The previous prime is 109111019093. The next prime is 109111019111. The reversal of 109111019101 is 101910111901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109111019101 - 2³ = 109111019093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109111019111) 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, 7793644215 + ... + 7793644228.

It is an arithmetic number, because the mean of its divisors is an integer number (31174576888).

Almost surely, 2^109111019101 is an apocalyptic number.

It is an amenable number.

109111019101 is a deficient number, since it is larger than the sum of its proper divisors (15587288451).

109111019101 is an equidigital number, since it uses as much as digits as its factorization.

109111019101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15587288450.

The product of its (nonzero) digits is 81, while the sum is 25.

The spelling of 109111019101 in words is "one hundred nine billion, one hundred eleven million, nineteen thousand, one hundred one".