201222220120002 has 24 divisors (see below), whose sum is σ = 437902100181936. Its totient is φ = 66778592872536.

The previous prime is 201222220120001. The next prime is 201222220120037. The reversal of 201222220120002 is 200021022222102.

201222220120002 is a `hidden beast` number, since 20 + 1 + 222 + 220 + 1 + 200 + 0 + 2 = 666.

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 (201222220120001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24623370868 + ... + 24623379039.

It is an arithmetic number, because the mean of its divisors is an integer number (18245920840914).

Almost surely, 2^{201222220120002} is an apocalyptic number.

201222220120002 is an abundant number, since it is smaller than the sum of its proper divisors (236679880061934).

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

201222220120002 is a wasteful number, since it uses less digits than its factorization.

201222220120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49246750142 (or 49246750139 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 201222220120002 its reverse (200021022222102), we get a palindrome (401243242342104).

The spelling of 201222220120002 in words is "two hundred one trillion, two hundred twenty-two billion, two hundred twenty million, one hundred twenty thousand, two".