210220221201 has 16 divisors (see below), whose sum is σ = 280512976896. Its totient is φ = 140037193296.

The previous prime is 210220221187. The next prime is 210220221209. The reversal of 210220221201 is 102122022012.

It is not a de Polignac number, because 210220221201 - 2⁹ = 210220220689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210220221209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30538506 + ... + 30545388.

It is an arithmetic number, because the mean of its divisors is an integer number (17532061056).

Almost surely, 2^210220221201 is an apocalyptic number.

It is an amenable number.

210220221201 is a deficient number, since it is larger than the sum of its proper divisors (70292755695).

210220221201 is a wasteful number, since it uses less digits than its factorization.

210220221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13372.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210220221201 its reverse (102122022012), we get a palindrome (312342243213).

The spelling of 210220221201 in words is "two hundred ten billion, two hundred twenty million, two hundred twenty-one thousand, two hundred one".