210100221200011 has 4 divisors (see below), whose sum is σ = 210356128900224. Its totient is φ = 209844313499800.

The previous prime is 210100221199969. The next prime is 210100221200017. The reversal of 210100221200011 is 110002122001012.

210100221200011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210100221200011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210100221199964 and 210100221200000.

It is not an unprimeable number, because it can be changed into a prime (210100221200017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127953848875 + ... + 127953850516.

It is an arithmetic number, because the mean of its divisors is an integer number (52589032225056).

Almost surely, 2^{210100221200011} is an apocalyptic number.

210100221200011 is a deficient number, since it is larger than the sum of its proper divisors (255907700213).

210100221200011 is an equidigital number, since it uses as much as digits as its factorization.

210100221200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255907700212.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210100221200011 its reverse (110002122001012), we get a palindrome (320102343201023).

The spelling of 210100221200011 in words is "two hundred ten trillion, one hundred billion, two hundred twenty-one million, two hundred thousand, eleven".