210221112011103 has 24 divisors (see below), whose sum is σ = 321702772575600. Its totient is φ = 131826261014784.

The previous prime is 210221112011039. The next prime is 210221112011269. The reversal of 210221112011103 is 301110211122012.

It is a happy number.

210221112011103 is a `hidden beast` number, since 210 + 221 + 1 + 120 + 1 + 110 + 3 = 666.

It is not a de Polignac number, because 210221112011103 - 2⁶ = 210221112011039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210221112016103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401726293 + ... + 402249246.

It is an arithmetic number, because the mean of its divisors is an integer number (13404282190650).

Almost surely, 2^{210221112011103} is an apocalyptic number.

210221112011103 is a deficient number, since it is larger than the sum of its proper divisors (111481660564497).

210221112011103 is a wasteful number, since it uses less digits than its factorization.

210221112011103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803977271 (or 803977268 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 210221112011103 its reverse (301110211122012), we get a palindrome (511331323133115).

The spelling of 210221112011103 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred twelve million, eleven thousand, one hundred three".