201122120102202 has 48 divisors (see below), whose sum is σ = 469291543080360. Its totient is φ = 61882859437056.

The previous prime is 201122120102149. The next prime is 201122120102203. The reversal of 201122120102202 is 202201021221102.

It is a happy number.

201122120102202 is a `hidden beast` number, since 20 + 1 + 1 + 221 + 201 + 0 + 220 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 167371376709681 + 33750743392521 = 12937209^2 + 5809539^2 .

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

It is not an unprimeable number, because it can be changed into a prime (201122120102203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10742478 + ... + 22751814.

Almost surely, 2^{201122120102202} is an apocalyptic number.

201122120102202 is an abundant number, since it is smaller than the sum of its proper divisors (268169422978158).

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

201122120102202 is a wasteful number, since it uses less digits than its factorization.

201122120102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12080927 (or 12080924 counting only the distinct ones).

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

Adding to 201122120102202 its reverse (202201021221102), we get a palindrome (403323141323304).

The spelling of 201122120102202 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred twenty million, one hundred two thousand, two hundred two".