202220212211 has 2 divisors, whose sum is σ = 202220212212. Its totient is φ = 202220212210.

The previous prime is 202220212199. The next prime is 202220212247. The reversal of 202220212211 is 112212022202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202220212211 - 2⁶ = 202220212147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202220212211.

It is not a weakly prime, because it can be changed into another prime (202220212111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110106105 + 101110106106.

It is an arithmetic number, because the mean of its divisors is an integer number (101110106106).

Almost surely, 2^202220212211 is an apocalyptic number.

202220212211 is a deficient number, since it is larger than the sum of its proper divisors (1).

202220212211 is an equidigital number, since it uses as much as digits as its factorization.

202220212211 is an evil number, because the sum of its binary digits is even.

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

Adding to 202220212211 its reverse (112212022202), we get a palindrome (314432234413).

The spelling of 202220212211 in words is "two hundred two billion, two hundred twenty million, two hundred twelve thousand, two hundred eleven".