201122012210202 has 192 divisors, whose sum is σ = 448138175861376. Its totient is φ = 65171586631680.

The previous prime is 201122012210131. The next prime is 201122012210291. The reversal of 201122012210202 is 202012210221102.

It is a happy number.

201122012210202 is a `hidden beast` number, since 20 + 1 + 1 + 220 + 1 + 221 + 0 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25257061473 + ... + 25257069435.

It is an arithmetic number, because the mean of its divisors is an integer number (2334052999278).

Almost surely, 2^{201122012210202} is an apocalyptic number.

201122012210202 is an abundant number, since it is smaller than the sum of its proper divisors (247016163651174).

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

201122012210202 is a wasteful number, since it uses less digits than its factorization.

201122012210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9165 (or 9162 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201122012210202 its reverse (202012210221102), we get a palindrome (403134222431304).

The spelling of 201122012210202 in words is "two hundred one trillion, one hundred twenty-two billion, twelve million, two hundred ten thousand, two hundred two".