201121122102202 has 16 divisors (see below), whose sum is σ = 319457059384320. Its totient is φ = 94636524339648.

The previous prime is 201121122102167. The next prime is 201121122102209. The reversal of 201121122102202 is 202201221121102.

It is a self number, because there is not a number n which added to its sum of digits gives 201121122102202.

It is not an unprimeable number, because it can be changed into a prime (201121122102209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271799802 + ... + 272538757.

It is an arithmetic number, because the mean of its divisors is an integer number (19966066211520).

Almost surely, 2^{201121122102202} is an apocalyptic number.

201121122102202 is a deficient number, since it is larger than the sum of its proper divisors (118335937282118).

201121122102202 is a wasteful number, since it uses less digits than its factorization.

201121122102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544349445.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201121122102202 its reverse (202201221121102), we get a palindrome (403322343223304).

The spelling of 201121122102202 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred twenty-two million, one hundred two thousand, two hundred two".