210223202111 has 16 divisors (see below), whose sum is σ = 235116841344. Its totient is φ = 186710366304.

The previous prime is 210223202099. The next prime is 210223202131. The reversal of 210223202111 is 111202322012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210223202111 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 210223202111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210223202131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2769041 + ... + 2843946.

It is an arithmetic number, because the mean of its divisors is an integer number (14694802584).

Almost surely, 2^210223202111 is an apocalyptic number.

210223202111 is a deficient number, since it is larger than the sum of its proper divisors (24893639233).

210223202111 is a wasteful number, since it uses less digits than its factorization.

210223202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5613110.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 210223202111 its reverse (111202322012), we get a palindrome (321425524123).

The spelling of 210223202111 in words is "two hundred ten billion, two hundred twenty-three million, two hundred two thousand, one hundred eleven".