201202002112221 has 24 divisors (see below), whose sum is σ = 317266825352256. Its totient is φ = 121855512623040.

The previous prime is 201202002112151. The next prime is 201202002112289. The reversal of 201202002112221 is 122211200202102.

It is a happy number.

201202002112221 is a `hidden beast` number, since 20 + 12 + 0 + 200 + 211 + 2 + 221 = 666.

It is not a de Polignac number, because 201202002112221 - 2²⁶ = 201201935003357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201202002112194 and 201202002112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201202002112121) 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, 708980065 + ... + 709263798.

It is an arithmetic number, because the mean of its divisors is an integer number (13219451056344).

Almost surely, 2^{201202002112221} is an apocalyptic number.

It is an amenable number.

201202002112221 is a deficient number, since it is larger than the sum of its proper divisors (116064823240035).

201202002112221 is a wasteful number, since it uses less digits than its factorization.

201202002112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418245313 (or 1418245310 counting only the distinct ones).

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

Adding to 201202002112221 its reverse (122211200202102), we get a palindrome (323413202314323).

The spelling of 201202002112221 in words is "two hundred one trillion, two hundred two billion, two million, one hundred twelve thousand, two hundred twenty-one".