12100100211 has 6 divisors (see below), whose sum is σ = 17477922540. Its totient is φ = 8066733468.

The previous prime is 12100100189. The next prime is 12100100213. The reversal of 12100100211 is 11200100121.

It is a happy number.

It is not a de Polignac number, because 12100100211 - 2⁵ = 12100100179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1344455579 = 12100100211 / (1 + 2 + 1 + 0 + 0 + 1 + 0 + 0 + 2 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 12100100193 and 12100100202.

It is not an unprimeable number, because it can be changed into a prime (12100100213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 672227781 + ... + 672227798.

It is an arithmetic number, because the mean of its divisors is an integer number (2912987090).

Almost surely, 2^12100100211 is an apocalyptic number.

12100100211 is a deficient number, since it is larger than the sum of its proper divisors (5377822329).

12100100211 is a wasteful number, since it uses less digits than its factorization.

12100100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344455585 (or 1344455582 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12100100211 its reverse (11200100121), we get a palindrome (23300200332).

The spelling of 12100100211 in words is "twelve billion, one hundred million, one hundred thousand, two hundred eleven".