202220012211211 has 4 divisors (see below), whose sum is σ = 202220040652312. Its totient is φ = 202219983770112.

The previous prime is 202220012211193. The next prime is 202220012211257. The reversal of 202220012211211 is 112112210022202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 202220012211211 - 2⁴¹ = 200020988955659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202220012311211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7015051 + ... + 21299083.

It is an arithmetic number, because the mean of its divisors is an integer number (50555010163078).

Almost surely, 2^{202220012211211} is an apocalyptic number.

202220012211211 is a deficient number, since it is larger than the sum of its proper divisors (28441101).

202220012211211 is a wasteful number, since it uses less digits than its factorization.

202220012211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28441100.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202220012211211 its reverse (112112210022202), we get a palindrome (314332222233413).

The spelling of 202220012211211 in words is "two hundred two trillion, two hundred twenty billion, twelve million, two hundred eleven thousand, two hundred eleven".