20202222211211 has 2 divisors, whose sum is σ = 20202222211212. Its totient is φ = 20202222211210.

The previous prime is 20202222211121. The next prime is 20202222211217. The reversal of 20202222211211 is 11211222220202.

Together with previous prime (20202222211121) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20202222211211 - 2¹⁰ = 20202222210187 is a prime.

It is a super-2 number, since 2×20202222211211² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20202222211217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101111105605 + 10101111105606.

It is an arithmetic number, because the mean of its divisors is an integer number (10101111105606).

Almost surely, 2^{20202222211211} is an apocalyptic number.

20202222211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202222211211 is an equidigital number, since it uses as much as digits as its factorization.

20202222211211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20202222211211 its reverse (11211222220202), we get a palindrome (31413444431413).

The spelling of 20202222211211 in words is "twenty trillion, two hundred two billion, two hundred twenty-two million, two hundred eleven thousand, two hundred eleven".