201121122011202 has 12 divisors (see below), whose sum is σ = 435762431024310. Its totient is φ = 67040374003728.

The previous prime is 201121122011129. The next prime is 201121122011207. The reversal of 201121122011202 is 202110221121102.

201121122011202 is a `hidden beast` number, since 20 + 1 + 1 + 211 + 220 + 11 + 202 = 666.

It can be written as a sum of positive squares in only one way, i.e., 122051697385401 + 79069424625801 = 11047701^2 + 8892099^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11173395667289 = 201121122011202 / (2 + 0 + 1 + 1 + 2 + 1 + 1 + 2 + 2 + 0 + 1 + 1 + 2 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (201121122011207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5586697833627 + ... + 5586697833662.

Almost surely, 2^{201121122011202} is an apocalyptic number.

201121122011202 is an abundant number, since it is smaller than the sum of its proper divisors (234641309013108).

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

201121122011202 is a wasteful number, since it uses less digits than its factorization.

201121122011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11173395667297 (or 11173395667294 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 201121122011202 its reverse (202110221121102), we get a palindrome (403231343132304).

The spelling of 201121122011202 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred twenty-two million, eleven thousand, two hundred two".