12101101211 has 8 divisors (see below), whose sum is σ = 12814295904. Its totient is φ = 11388058240.

The previous prime is 12101101189. The next prime is 12101101213. The reversal of 12101101211 is 11210110121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12101101211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12101101192 and 12101101201.

It is not an unprimeable number, because it can be changed into a prime (12101101213) 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, 154106 + ... + 218976.

It is an arithmetic number, because the mean of its divisors is an integer number (1601786988).

Almost surely, 2^12101101211 is an apocalyptic number.

12101101211 is a deficient number, since it is larger than the sum of its proper divisors (713194693).

12101101211 is a wasteful number, since it uses less digits than its factorization.

12101101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75861.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12101101211 its reverse (11210110121), we get a palindrome (23311211332).

The spelling of 12101101211 in words is "twelve billion, one hundred one million, one hundred one thousand, two hundred eleven".