202220120211211 has 4 divisors (see below), whose sum is σ = 202296057172272. Its totient is φ = 202144183250152.

The previous prime is 202220120211199. The next prime is 202220120211313. The reversal of 202220120211211 is 112112021022202.

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 202220120211211 - 2²⁷ = 202219985993483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202220120211911) 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, 37968476536 + ... + 37968481861.

It is an arithmetic number, because the mean of its divisors is an integer number (50574014293068).

Almost surely, 2^{202220120211211} is an apocalyptic number.

202220120211211 is a deficient number, since it is larger than the sum of its proper divisors (75936961061).

202220120211211 is an equidigital number, since it uses as much as digits as its factorization.

202220120211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75936961060.

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

Adding to 202220120211211 its reverse (112112021022202), we get a palindrome (314332141233413).

The spelling of 202220120211211 in words is "two hundred two trillion, two hundred twenty billion, one hundred twenty million, two hundred eleven thousand, two hundred eleven".