20022102211 has 2 divisors, whose sum is σ = 20022102212. Its totient is φ = 20022102210.

The previous prime is 20022102203. The next prime is 20022102227. The reversal of 20022102211 is 11220122002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20022102211 - 2³ = 20022102203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20022102191 and 20022102200.

It is not a weakly prime, because it can be changed into another prime (20022102271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011051105 + 10011051106.

It is an arithmetic number, because the mean of its divisors is an integer number (10011051106).

Almost surely, 2^20022102211 is an apocalyptic number.

20022102211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022102211 is an equidigital number, since it uses as much as digits as its factorization.

20022102211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20022102211 its reverse (11220122002), we get a palindrome (31242224213).

The spelling of 20022102211 in words is "twenty billion, twenty-two million, one hundred two thousand, two hundred eleven".