201211011221202 has 48 divisors (see below), whose sum is σ = 436015843840512. Its totient is φ = 67061314363680.

The previous prime is 201211011221149. The next prime is 201211011221219. The reversal of 201211011221202 is 202122110112102.

201211011221202 is a `hidden beast` number, since 20 + 1 + 211 + 0 + 11 + 221 + 202 = 666.

201211011221202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8321025552 + ... + 8321049732.

It is an arithmetic number, because the mean of its divisors is an integer number (9083663413344).

Almost surely, 2^{201211011221202} is an apocalyptic number.

201211011221202 is an abundant number, since it is smaller than the sum of its proper divisors (234804832619310).

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

201211011221202 is a wasteful number, since it uses less digits than its factorization.

201211011221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67263 (or 67260 counting only the distinct ones).

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

Adding to 201211011221202 its reverse (202122110112102), we get a palindrome (403333121333304).

The spelling of 201211011221202 in words is "two hundred one trillion, two hundred eleven billion, eleven million, two hundred twenty-one thousand, two hundred two".