201210112021210 has 32 divisors (see below), whose sum is σ = 362292421133520. Its totient is φ = 80458664681472.

The previous prime is 201210112021151. The next prime is 201210112021309. The reversal of 201210112021210 is 12120211012102.

It can be written as a sum of positive squares in 8 ways, for example, as 72025451741961 + 129184660279249 = 8486781^2 + 11365943^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 917079042 + ... + 917298418.

Almost surely, 2^{201210112021210} is an apocalyptic number.

201210112021210 is a deficient number, since it is larger than the sum of its proper divisors (161082309112310).

201210112021210 is a wasteful number, since it uses less digits than its factorization.

201210112021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247890.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201210112021210 its reverse (12120211012102), we get a palindrome (213330323033312).

The spelling of 201210112021210 in words is "two hundred one trillion, two hundred ten billion, one hundred twelve million, twenty-one thousand, two hundred ten".