222102312001 has 4 divisors (see below), whose sum is σ = 227519441604. Its totient is φ = 216685182400.

The previous prime is 222102311999. The next prime is 222102312059. The reversal of 222102312001 is 100213201222.

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 106407092401 + 115695219600 = 326201^2 + 340140^2 .

It is a cyclic number.

It is not a de Polignac number, because 222102312001 - 2¹ = 222102311999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222102312071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2708564740 + ... + 2708564821.

It is an arithmetic number, because the mean of its divisors is an integer number (56879860401).

Almost surely, 2^222102312001 is an apocalyptic number.

It is an amenable number.

222102312001 is a deficient number, since it is larger than the sum of its proper divisors (5417129603).

222102312001 is an equidigital number, since it uses as much as digits as its factorization.

222102312001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5417129602.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 222102312001 its reverse (100213201222), we get a palindrome (322315513223).

The spelling of 222102312001 in words is "two hundred twenty-two billion, one hundred two million, three hundred twelve thousand, one".