12111233101 has 8 divisors (see below), whose sum is σ = 13216384800. Its totient is φ = 11006769840.

The previous prime is 12111233063. The next prime is 12111233131. The reversal of 12111233101 is 10133211121.

It is a happy number.

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

It is not a de Polignac number, because 12111233101 - 2⁹ = 12111232589 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 (12111233131) 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, 134971 + ... + 206008.

It is an arithmetic number, because the mean of its divisors is an integer number (1652048100).

Almost surely, 2^12111233101 is an apocalyptic number.

12111233101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12111233101 is a deficient number, since it is larger than the sum of its proper divisors (1105151699).

12111233101 is a wasteful number, since it uses less digits than its factorization.

12111233101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344219.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12111233101 its reverse (10133211121), we get a palindrome (22244444222).

The spelling of 12111233101 in words is "twelve billion, one hundred eleven million, two hundred thirty-three thousand, one hundred one".