202202020201211 has 4 divisors (see below), whose sum is σ = 202408982351832. Its totient is φ = 201995058050592.

The previous prime is 202202020201201. The next prime is 202202020201219. The reversal of 202202020201211 is 112102020202202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202202020201211 - 2³⁰ = 202200946459387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202202020201211.

It is not an unprimeable number, because it can be changed into a prime (202202020201219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103481073845 + ... + 103481075798.

It is an arithmetic number, because the mean of its divisors is an integer number (50602245587958).

Almost surely, 2^{202202020201211} is an apocalyptic number.

202202020201211 is a deficient number, since it is larger than the sum of its proper divisors (206962150621).

202202020201211 is an equidigital number, since it uses as much as digits as its factorization.

202202020201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206962150620.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202202020201211 its reverse (112102020202202), we get a palindrome (314304040403413).

Subtracting from 202202020201211 its reverse (112102020202202), we obtain a palindrome (90099999999009).

The spelling of 202202020201211 in words is "two hundred two trillion, two hundred two billion, twenty million, two hundred one thousand, two hundred eleven".