211201122110011 has 24 divisors (see below), whose sum is σ = 234591628438944. Its totient is φ = 189981264000000.

The previous prime is 211201122110009. The next prime is 211201122110021. The reversal of 211201122110011 is 110011221102112.

It is not a de Polignac number, because 211201122110011 - 2¹ = 211201122110009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211201122110021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14168626 + ... + 24963016.

It is an arithmetic number, because the mean of its divisors is an integer number (9774651184956).

Almost surely, 2^{211201122110011} is an apocalyptic number.

211201122110011 is a deficient number, since it is larger than the sum of its proper divisors (23390506328933).

211201122110011 is a wasteful number, since it uses less digits than its factorization.

211201122110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10796115 (or 10796104 counting only the distinct ones).

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

Adding to 211201122110011 its reverse (110011221102112), we get a palindrome (321212343212123).

The spelling of 211201122110011 in words is "two hundred eleven trillion, two hundred one billion, one hundred twenty-two million, one hundred ten thousand, eleven".