210220110110201 has 4 divisors (see below), whose sum is σ = 215901734707812. Its totient is φ = 204538485512592.

The previous prime is 210220110110161. The next prime is 210220110110207. The reversal of 210220110110201 is 102011011022012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 197296408658176 + 12923701452025 = 14046224^2 + 3594955^2 .

It is a de Polignac number, because none of the positive numbers 2^k-210220110110201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210220110110207) 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, 2840812298750 + ... + 2840812298823.

It is an arithmetic number, because the mean of its divisors is an integer number (53975433676953).

Almost surely, 2^{210220110110201} is an apocalyptic number.

It is an amenable number.

210220110110201 is a deficient number, since it is larger than the sum of its proper divisors (5681624597611).

210220110110201 is an equidigital number, since it uses as much as digits as its factorization.

210220110110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5681624597610.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210220110110201 its reverse (102011011022012), we get a palindrome (312231121132213).

The spelling of 210220110110201 in words is "two hundred ten trillion, two hundred twenty billion, one hundred ten million, one hundred ten thousand, two hundred one".