109121110911 has 12 divisors (see below), whose sum is σ = 158623329592. Its totient is φ = 72284047056.

The previous prime is 109121110877. The next prime is 109121110927. The reversal of 109121110911 is 119011121901.

It is a de Polignac number, because none of the positive numbers 2^k-109121110911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109121110961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38611861 + ... + 38614686.

Almost surely, 2^109121110911 is an apocalyptic number.

109121110911 is a deficient number, since it is larger than the sum of its proper divisors (49502218681).

109121110911 is a wasteful number, since it uses less digits than its factorization.

109121110911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77226710 (or 77226707 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 27.

The spelling of 109121110911 in words is "one hundred nine billion, one hundred twenty-one million, one hundred ten thousand, nine hundred eleven".