2222102221001 has 8 divisors (see below), whose sum is σ = 2533799817864. Its totient is φ = 1930514146560.

The previous prime is 2222102220979. The next prime is 2222102221019. The reversal of 2222102221001 is 1001222012222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 742414873225 + 1479687347776 = 861635^2 + 1216424^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2222102221001 - 2³⁰ = 2221028479177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222102221201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5027380370 + ... + 5027380811.

It is an arithmetic number, because the mean of its divisors is an integer number (316724977233).

Almost surely, 2^{2222102221001} is an apocalyptic number.

It is an amenable number.

2222102221001 is a deficient number, since it is larger than the sum of its proper divisors (311697596863).

2222102221001 is a wasteful number, since it uses less digits than its factorization.

2222102221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10054761211.

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

Adding to 2222102221001 its reverse (1001222012222), we get a palindrome (3223324233223).

The spelling of 2222102221001 in words is "two trillion, two hundred twenty-two billion, one hundred two million, two hundred twenty-one thousand, one".