20102222020211 has 2 divisors, whose sum is σ = 20102222020212. Its totient is φ = 20102222020210.

The previous prime is 20102222020207. The next prime is 20102222020213. The reversal of 20102222020211 is 11202022220102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20102222020211 - 2² = 20102222020207 is a prime.

Together with 20102222020213, 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 20102222020211.

It is not a weakly prime, because it can be changed into another prime (20102222020213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051111010105 + 10051111010106.

It is an arithmetic number, because the mean of its divisors is an integer number (10051111010106).

Almost surely, 2^{20102222020211} is an apocalyptic number.

20102222020211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102222020211 is an equidigital number, since it uses as much as digits as its factorization.

20102222020211 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 20102222020211 its reverse (11202022220102), we get a palindrome (31304244240313).

The spelling of 20102222020211 in words is "twenty trillion, one hundred two billion, two hundred twenty-two million, twenty thousand, two hundred eleven".