211203130011 has 16 divisors (see below), whose sum is σ = 289507089408. Its totient is φ = 136858312800.

The previous prime is 211203130007. The next prime is 211203130043. The reversal of 211203130011 is 110031302112.

It is a happy number.

It is not a de Polignac number, because 211203130011 - 2² = 211203130007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211203130051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 850005 + ... + 1070006.

It is an arithmetic number, because the mean of its divisors is an integer number (18094193088).

Almost surely, 2^211203130011 is an apocalyptic number.

211203130011 is a deficient number, since it is larger than the sum of its proper divisors (78303959397).

211203130011 is a wasteful number, since it uses less digits than its factorization.

211203130011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921042.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 211203130011 its reverse (110031302112), we get a palindrome (321234432123).

The spelling of 211203130011 in words is "two hundred eleven billion, two hundred three million, one hundred thirty thousand, eleven".