211102111011 has 32 divisors (see below), whose sum is σ = 310527899136. Its totient is φ = 126498240000.

The previous prime is 211102111001. The next prime is 211102111021. The reversal of 211102111011 is 110111201112.

It is an interprime number because it is at equal distance from previous prime (211102111001) and next prime (211102111021).

It is not a de Polignac number, because 211102111011 - 2¹⁹ = 211101586723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211102111001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2379531 + ... + 2466651.

It is an arithmetic number, because the mean of its divisors is an integer number (9703996848).

Almost surely, 2^211102111011 is an apocalyptic number.

211102111011 is a deficient number, since it is larger than the sum of its proper divisors (99425788125).

211102111011 is a wasteful number, since it uses less digits than its factorization.

211102111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87963.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 211102111011 its reverse (110111201112), we get a palindrome (321213312123).

The spelling of 211102111011 in words is "two hundred eleven billion, one hundred two million, one hundred eleven thousand, eleven".