211000101011 has 16 divisors (see below), whose sum is σ = 243981117888. Its totient is φ = 178735248000.

The previous prime is 211000100963. The next prime is 211000101031. The reversal of 211000101011 is 110101000112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 211000101011 - 2¹⁸ = 210999838867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211000101011.

It is not an unprimeable number, because it can be changed into a prime (211000101031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106661 + ... + 658313.

It is an arithmetic number, because the mean of its divisors is an integer number (15248819868).

Almost surely, 2^211000101011 is an apocalyptic number.

211000101011 is a deficient number, since it is larger than the sum of its proper divisors (32981016877).

211000101011 is a wasteful number, since it uses less digits than its factorization.

211000101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552302.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 211000101011 its reverse (110101000112), we get a palindrome (321101101123).

The spelling of 211000101011 in words is "two hundred eleven billion, one hundred one thousand, eleven".