10221223211 has 2 divisors, whose sum is σ = 10221223212. Its totient is φ = 10221223210.

The previous prime is 10221223193. The next prime is 10221223219. The reversal of 10221223211 is 11232212201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10221223211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10221223211.

It is not a weakly prime, because it can be changed into another prime (10221223219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110611605 + 5110611606.

It is an arithmetic number, because the mean of its divisors is an integer number (5110611606).

Almost surely, 2^10221223211 is an apocalyptic number.

10221223211 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221223211 is an equidigital number, since it uses as much as digits as its factorization.

10221223211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10221223211 its reverse (11232212201), we get a palindrome (21453435412).

It can be divided in two parts, 102212 and 23211, that multiplied together give a palindrome (2372442732).

The spelling of 10221223211 in words is "ten billion, two hundred twenty-one million, two hundred twenty-three thousand, two hundred eleven".