211113203011 has 2 divisors, whose sum is σ = 211113203012. Its totient is φ = 211113203010.

The previous prime is 211113202987. The next prime is 211113203027. The reversal of 211113203011 is 110302311112.

It is a happy number.

211113203011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (211113203027) can be obtained adding 211113203011 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211113203011 - 2⁹ = 211113202499 is a prime.

It is a super-2 number, since 2×211113203011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211113203611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105556601505 + 105556601506.

It is an arithmetic number, because the mean of its divisors is an integer number (105556601506).

Almost surely, 2^211113203011 is an apocalyptic number.

211113203011 is a deficient number, since it is larger than the sum of its proper divisors (1).

211113203011 is an equidigital number, since it uses as much as digits as its factorization.

211113203011 is an odious number, because the sum of its binary digits is odd.

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

Adding to 211113203011 its reverse (110302311112), we get a palindrome (321415514123).

The spelling of 211113203011 in words is "two hundred eleven billion, one hundred thirteen million, two hundred three thousand, eleven".