201211122110210 has 64 divisors (see below), whose sum is σ = 367257763998720. Its totient is φ = 79359925467840.

The previous prime is 201211122110209. The next prime is 201211122110221. The reversal of 201211122110210 is 12011221112102.

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, 1583889395 + ... + 1584016425.

It is an arithmetic number, because the mean of its divisors is an integer number (5738402562480).

Almost surely, 2^{201211122110210} is an apocalyptic number.

201211122110210 is a deficient number, since it is larger than the sum of its proper divisors (166046641888510).

201211122110210 is a wasteful number, since it uses less digits than its factorization.

201211122110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130823.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201211122110210 its reverse (12011221112102), we get a palindrome (213222343222312).

The spelling of 201211122110210 in words is "two hundred one trillion, two hundred eleven billion, one hundred twenty-two million, one hundred ten thousand, two hundred ten".