2002122220211 has 2 divisors, whose sum is σ = 2002122220212. Its totient is φ = 2002122220210.

The previous prime is 2002122220207. The next prime is 2002122220213. The reversal of 2002122220211 is 1120222212002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002122220211 - 2² = 2002122220207 is a prime.

Together with 2002122220213, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2002122220211.

It is not a weakly prime, because it can be changed into another prime (2002122220213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001061110105 + 1001061110106.

It is an arithmetic number, because the mean of its divisors is an integer number (1001061110106).

Almost surely, 2^{2002122220211} is an apocalyptic number.

2002122220211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002122220211 is an equidigital number, since it uses as much as digits as its factorization.

2002122220211 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 2002122220211 its reverse (1120222212002), we get a palindrome (3122344432213).

The spelling of 2002122220211 in words is "two trillion, two billion, one hundred twenty-two million, two hundred twenty thousand, two hundred eleven".