211010111010011 has 2 divisors, whose sum is σ = 211010111010012. Its totient is φ = 211010111010010.

The previous prime is 211010111009993. The next prime is 211010111010103. The reversal of 211010111010011 is 110010111010112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211010111010011 - 2¹⁸ = 211010110747867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211010111009974 and 211010111010001.

It is not a weakly prime, because it can be changed into another prime (211010111010311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105505055505005 + 105505055505006.

It is an arithmetic number, because the mean of its divisors is an integer number (105505055505006).

Almost surely, 2^{211010111010011} is an apocalyptic number.

211010111010011 is a deficient number, since it is larger than the sum of its proper divisors (1).

211010111010011 is an equidigital number, since it uses as much as digits as its factorization.

211010111010011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 211010111010011 its reverse (110010111010112), we get a palindrome (321020222020123).

The spelling of 211010111010011 in words is "two hundred eleven trillion, ten billion, one hundred eleven million, ten thousand, eleven".