10221221111201 has 16 divisors (see below), whose sum is σ = 10257012288000. Its totient is φ = 10185506760000.

The previous prime is 10221221111161. The next prime is 10221221111219. The reversal of 10221221111201 is 10211112212201.

It is a cyclic number.

It is not a de Polignac number, because 10221221111201 - 2¹⁴ = 10221221094817 is a prime.

It is a super-2 number, since 2×10221221111201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10221221111201.

It is not an unprimeable number, because it can be changed into a prime (10221221117201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1179049895 + ... + 1179058563.

It is an arithmetic number, because the mean of its divisors is an integer number (641063268000).

Almost surely, 2^{10221221111201} is an apocalyptic number.

It is an amenable number.

10221221111201 is a deficient number, since it is larger than the sum of its proper divisors (35791176799).

10221221111201 is an equidigital number, since it uses as much as digits as its factorization.

10221221111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12640.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10221221111201 its reverse (10211112212201), we get a palindrome (20432333323402).

The spelling of 10221221111201 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-one million, one hundred eleven thousand, two hundred one".