210203221201 has 12 divisors (see below), whose sum is σ = 226646323776. Its totient is φ = 194577996360.

The previous prime is 210203221181. The next prime is 210203221223. The reversal of 210203221201 is 102122302012.

It is a happy number.

It is not a de Polignac number, because 210203221201 - 2¹⁷ = 210203090129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210203221271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4732981 + ... + 4777186.

It is an arithmetic number, because the mean of its divisors is an integer number (18887193648).

Almost surely, 2^210203221201 is an apocalyptic number.

It is an amenable number.

210203221201 is a deficient number, since it is larger than the sum of its proper divisors (16443102575).

210203221201 is an equidigital number, since it uses as much as digits as its factorization.

210203221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9510252 (or 9510221 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210203221201 its reverse (102122302012), we get a palindrome (312325523213).

The spelling of 210203221201 in words is "two hundred ten billion, two hundred three million, two hundred twenty-one thousand, two hundred one".