211113221010 has 32 divisors (see below), whose sum is σ = 520365563712. Its totient is φ = 54775321920.

The previous prime is 211113221003. The next prime is 211113221041. The reversal of 211113221010 is 10122311112.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 95094936 + ... + 95097155.

It is an arithmetic number, because the mean of its divisors is an integer number (16261423866).

Almost surely, 2^211113221010 is an apocalyptic number.

211113221010 is an abundant number, since it is smaller than the sum of its proper divisors (309252342702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211113221010 is a wasteful number, since it uses less digits than its factorization.

211113221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190192138.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 211113221010 its reverse (10122311112), we get a palindrome (221235532122).

The spelling of 211113221010 in words is "two hundred eleven billion, one hundred thirteen million, two hundred twenty-one thousand, ten".