201122011110210 has 32 divisors (see below), whose sum is σ = 482882938240320. Its totient is φ = 53611412787648.

The previous prime is 201122011110199. The next prime is 201122011110239. The reversal of 201122011110210 is 12011110221102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201122011110210.

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, 1320141837 + ... + 1320294176.

It is an arithmetic number, because the mean of its divisors is an integer number (15090091820010).

Almost surely, 2^{201122011110210} is an apocalyptic number.

201122011110210 is an abundant number, since it is smaller than the sum of its proper divisors (281760927130110).

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

201122011110210 is a wasteful number, since it uses less digits than its factorization.

201122011110210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640438562.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201122011110210 its reverse (12011110221102), we get a palindrome (213133121331312).

The spelling of 201122011110210 in words is "two hundred one trillion, one hundred twenty-two billion, eleven million, one hundred ten thousand, two hundred ten".