201020201210 has 64 divisors (see below), whose sum is σ = 384287846400. Its totient is φ = 75495877632.

The previous prime is 201020201209. The next prime is 201020201231. The reversal of 201020201210 is 12102020102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201020201191 and 201020201200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25791074 + ... + 25798866.

It is an arithmetic number, because the mean of its divisors is an integer number (6004497600).

Almost surely, 2^201020201210 is an apocalyptic number.

201020201210 is a deficient number, since it is larger than the sum of its proper divisors (183267645190).

201020201210 is a wasteful number, since it uses less digits than its factorization.

201020201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9015.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201020201210 its reverse (12102020102), we get a palindrome (213122221312).

The spelling of 201020201210 in words is "two hundred one billion, twenty million, two hundred one thousand, two hundred ten".