102122222201 has 4 divisors (see below), whose sum is σ = 102345684852. Its totient is φ = 101898759552.

The previous prime is 102122222171. The next prime is 102122222207. The reversal of 102122222201 is 102222221201.

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 87424296976 + 14697925225 = 295676^2 + 121235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102122222201 is a prime.

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 102122222201.

It is not an unprimeable number, because it can be changed into a prime (102122222207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111730640 + ... + 111731553.

It is an arithmetic number, because the mean of its divisors is an integer number (25586421213).

Almost surely, 2^102122222201 is an apocalyptic number.

It is an amenable number.

102122222201 is a deficient number, since it is larger than the sum of its proper divisors (223462651).

102122222201 is an equidigital number, since it uses as much as digits as its factorization.

102122222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223462650.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102122222201 its reverse (102222221201), we get a palindrome (204344443402).

The spelling of 102122222201 in words is "one hundred two billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred one".