10001222221011 has 32 divisors (see below), whose sum is σ = 16087217856000. Its totient is φ = 5517915691680.

The previous prime is 10001222221009. The next prime is 10001222221033. The reversal of 10001222221011 is 11012222210001.

It is not a de Polignac number, because 10001222221011 - 2¹ = 10001222221009 is a prime.

It is a super-3 number, since 3×10001222221011³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (10001222221511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167545345 + ... + 167605026.

It is an arithmetic number, because the mean of its divisors is an integer number (502725558000).

Almost surely, 2^{10001222221011} is an apocalyptic number.

10001222221011 is a deficient number, since it is larger than the sum of its proper divisors (6085995634989).

10001222221011 is an equidigital number, since it uses as much as digits as its factorization.

10001222221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335150424 (or 335150410 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10001222221011 its reverse (11012222210001), we get a palindrome (21013444431012).

The spelling of 10001222221011 in words is "ten trillion, one billion, two hundred twenty-two million, two hundred twenty-one thousand, eleven".