221201002210 has 16 divisors (see below), whose sum is σ = 398168913600. Its totient is φ = 88478820976.

The previous prime is 221201002207. The next prime is 221201002213. The reversal of 221201002210 is 12200102122.

It is a happy number.

221201002210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (221201002207) and next prime (221201002213).

It is not an unprimeable number, because it can be changed into a prime (221201002213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511881 + ... + 839299.

It is an arithmetic number, because the mean of its divisors is an integer number (24885557100).

Almost surely, 2^221201002210 is an apocalyptic number.

221201002210 is a deficient number, since it is larger than the sum of its proper divisors (176967911390).

221201002210 is a wasteful number, since it uses less digits than its factorization.

221201002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394985.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 221201002210 its reverse (12200102122), we get a palindrome (233401104332).

The spelling of 221201002210 in words is "two hundred twenty-one billion, two hundred one million, two thousand, two hundred ten".