201210220032210 has 48 divisors (see below), whose sum is σ = 526657622938200. Its totient is φ = 53295950895360.

The previous prime is 201210220032197. The next prime is 201210220032233. The reversal of 201210220032210 is 12230022012102.

201210220032210 is a `hidden beast` number, since 2 + 0 + 121 + 0 + 220 + 0 + 322 + 1 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 183606917326569 + 17603302705641 = 13550163^2 + 4195629^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7502231931 + ... + 7502258750.

Almost surely, 2^{201210220032210} is an apocalyptic number.

201210220032210 is an abundant number, since it is smaller than the sum of its proper divisors (325447402905990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201210220032210 is a wasteful number, since it uses less digits than its factorization.

201210220032210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15004490843 (or 15004490840 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 201210220032210 its reverse (12230022012102), we get a palindrome (213440242044312).

The spelling of 201210220032210 in words is "two hundred one trillion, two hundred ten billion, two hundred twenty million, thirty-two thousand, two hundred ten".