12111011101 has 8 divisors (see below), whose sum is σ = 13978197504. Its totient is φ = 10278085200.

The previous prime is 12111011093. The next prime is 12111011119. The reversal of 12111011101 is 10111011121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12111011101 - 2³ = 12111011093 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 (12111011161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8564365 + ... + 8565778.

It is an arithmetic number, because the mean of its divisors is an integer number (1747274688).

Almost surely, 2^12111011101 is an apocalyptic number.

It is an amenable number.

12111011101 is a deficient number, since it is larger than the sum of its proper divisors (1867186403).

12111011101 is a wasteful number, since it uses less digits than its factorization.

12111011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17130251.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 12111011101 its reverse (10111011121), we get a palindrome (22222022222).

The spelling of 12111011101 in words is "twelve billion, one hundred eleven million, eleven thousand, one hundred one".