201121110111202 has 32 divisors (see below), whose sum is σ = 303752347058160. Its totient is φ = 99872181964800.

The previous prime is 201121110111191. The next prime is 201121110111209. The reversal of 201121110111202 is 202111011121102.

It can be written as a sum of positive squares in 8 ways, for example, as 135452145068881 + 65668965042321 = 11638391^2 + 8103639^2 .

It is not an unprimeable number, because it can be changed into a prime (201121110111209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2296147624 + ... + 2296235212.

Almost surely, 2^{201121110111202} is an apocalyptic number.

201121110111202 is a deficient number, since it is larger than the sum of its proper divisors (102631236946958).

201121110111202 is a wasteful number, since it uses less digits than its factorization.

201121110111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98086.

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

Adding to 201121110111202 its reverse (202111011121102), we get a palindrome (403232121232304).

The spelling of 201121110111202 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred ten million, one hundred eleven thousand, two hundred two".