20100110211 has 24 divisors (see below), whose sum is σ = 29158875200. Its totient is φ = 13342320000.

The previous prime is 20100110209. The next prime is 20100110311. The reversal of 20100110211 is 11201100102.

It is a happy number.

It is not a de Polignac number, because 20100110211 - 2¹ = 20100110209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20100110193 and 20100110202.

It is not an unprimeable number, because it can be changed into a prime (20100110311) 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, 2354631 + ... + 2363151.

Almost surely, 2^20100110211 is an apocalyptic number.

20100110211 is a deficient number, since it is larger than the sum of its proper divisors (9058764989).

20100110211 is a wasteful number, since it uses less digits than its factorization.

20100110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9627 (or 9624 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20100110211 its reverse (11201100102), we get a palindrome (31301210313).

The spelling of 20100110211 in words is "twenty billion, one hundred million, one hundred ten thousand, two hundred eleven".