201121022102210 has 32 divisors (see below), whose sum is σ = 415510359368832. Its totient is φ = 68659831451520.

The previous prime is 201121022102207. The next prime is 201121022102233. The reversal of 201121022102210 is 12201220121102.

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, 6165557636 + ... + 6165590255.

It is an arithmetic number, because the mean of its divisors is an integer number (12984698730276).

Almost surely, 2^{201121022102210} is an apocalyptic number.

201121022102210 is an abundant number, since it is smaller than the sum of its proper divisors (214389337266622).

201121022102210 is a wasteful number, since it uses less digits than its factorization.

201121022102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12331148138.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201121022102210 its reverse (12201220121102), we get a palindrome (213322242223312).

The spelling of 201121022102210 in words is "two hundred one trillion, one hundred twenty-one billion, twenty-two million, one hundred two thousand, two hundred ten".