102222211111201 has 4 divisors (see below), whose sum is σ = 102223030632772. Its totient is φ = 102221391589632.

The previous prime is 102222211111169. The next prime is 102222211111219. The reversal of 102222211111201 is 102111112222201.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 99680256000000 + 2541955111201 = 9984000^2 + 1594351^2 .

It is a cyclic number.

It is not a de Polignac number, because 102222211111201 - 2⁵ = 102222211111169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102222211111261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409573656 + ... + 409823161.

It is an arithmetic number, because the mean of its divisors is an integer number (25555757658193).

Almost surely, 2^{102222211111201} is an apocalyptic number.

It is an amenable number.

102222211111201 is a deficient number, since it is larger than the sum of its proper divisors (819521571).

102222211111201 is an equidigital number, since it uses as much as digits as its factorization.

102222211111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819521570.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102222211111201 its reverse (102111112222201), we get a palindrome (204333323333402).

The spelling of 102222211111201 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred eleven million, one hundred eleven thousand, two hundred one".