12020022211 has 2 divisors, whose sum is σ = 12020022212. Its totient is φ = 12020022210.

The previous prime is 12020022199. The next prime is 12020022241. The reversal of 12020022211 is 11222002021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12020022211 - 2⁷ = 12020022083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12020022191 and 12020022200.

It is not a weakly prime, because it can be changed into another prime (12020022241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010011105 + 6010011106.

It is an arithmetic number, because the mean of its divisors is an integer number (6010011106).

Almost surely, 2^12020022211 is an apocalyptic number.

12020022211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020022211 is an equidigital number, since it uses as much as digits as its factorization.

12020022211 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 12020022211 its reverse (11222002021), we get a palindrome (23242024232).

The spelling of 12020022211 in words is "twelve billion, twenty million, twenty-two thousand, two hundred eleven".