10221222122211 has 16 divisors (see below), whose sum is σ = 13800982464000. Its totient is φ = 6727807134048.

The previous prime is 10221222122207. The next prime is 10221222122219. The reversal of 10221222122211 is 11222122212201.

It is not a de Polignac number, because 10221222122211 - 2² = 10221222122207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10221222122219) 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 15 ways as a sum of consecutive naturals, for example, 22179565 + ... + 22635713.

It is an arithmetic number, because the mean of its divisors is an integer number (862561404000).

Almost surely, 2^{10221222122211} is an apocalyptic number.

10221222122211 is a deficient number, since it is larger than the sum of its proper divisors (3579760341789).

10221222122211 is an equidigital number, since it uses as much as digits as its factorization.

10221222122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550778.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 10221222122211 its reverse (11222122212201), we get a palindrome (21443344334412).

The spelling of 10221222122211 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred eleven".