10222221021211 has 4 divisors (see below), whose sum is σ = 10222648771000. Its totient is φ = 10221793271424.

The previous prime is 10222221021151. The next prime is 10222221021323. The reversal of 10222221021211 is 11212012222201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10222221021211 - 2¹¹ = 10222221019163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10222224021211) 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 in 3 ways as a sum of consecutive naturals, for example, 213839046 + ... + 213886843.

It is an arithmetic number, because the mean of its divisors is an integer number (2555662192750).

Almost surely, 2^{10222221021211} is an apocalyptic number.

10222221021211 is a deficient number, since it is larger than the sum of its proper divisors (427749789).

10222221021211 is an equidigital number, since it uses as much as digits as its factorization.

10222221021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427749788.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10222221021211 its reverse (11212012222201), we get a palindrome (21434233243412).

The spelling of 10222221021211 in words is "ten trillion, two hundred twenty-two billion, two hundred twenty-one million, twenty-one thousand, two hundred eleven".