210022220020201 has 4 divisors (see below), whose sum is σ = 210069341904852. Its totient is φ = 209975098135552.

The previous prime is 210022220020199. The next prime is 210022220020241. The reversal of 210022220020201 is 102020022220012.

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 153897025714576 + 56125194305625 = 12405524^2 + 7491675^2 .

It is a cyclic number.

It is not a de Polignac number, because 210022220020201 - 2¹ = 210022220020199 is a prime.

It is a super-3 number, since 3×210022220020201³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210022220020241) 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, 23560935640 + ... + 23560944553.

It is an arithmetic number, because the mean of its divisors is an integer number (52517335476213).

Almost surely, 2^{210022220020201} is an apocalyptic number.

It is an amenable number.

210022220020201 is a deficient number, since it is larger than the sum of its proper divisors (47121884651).

210022220020201 is an equidigital number, since it uses as much as digits as its factorization.

210022220020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47121884650.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 210022220020201 its reverse (102020022220012), we get a palindrome (312042242240213).

The spelling of 210022220020201 in words is "two hundred ten trillion, twenty-two billion, two hundred twenty million, twenty thousand, two hundred one".