12111081093 has 64 divisors (see below), whose sum is σ = 18522028800. Its totient is φ = 7818612480.

The previous prime is 12111081091. The next prime is 12111081127. The reversal of 12111081093 is 39018011121.

It is not a de Polignac number, because 12111081093 - 2¹ = 12111081091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111081091) 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, 52886703 + ... + 52886931.

It is an arithmetic number, because the mean of its divisors is an integer number (289406700).

Almost surely, 2^12111081093 is an apocalyptic number.

It is an amenable number.

12111081093 is a deficient number, since it is larger than the sum of its proper divisors (6410947707).

12111081093 is a wasteful number, since it uses less digits than its factorization.

12111081093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

It can be divided in two parts, 1211108 and 1093, that added together give a square (1212201 = 1101²).

The spelling of 12111081093 in words is "twelve billion, one hundred eleven million, eighty-one thousand, ninety-three".