1002222110121 has 8 divisors (see below), whose sum is σ = 1336336965600. Its totient is φ = 668127664032.

The previous prime is 1002222110093. The next prime is 1002222110173. The reversal of 1002222110121 is 1210112222001.

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

It is not a de Polignac number, because 1002222110121 - 2¹³ = 1002222101929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1002222110121.

It is not an unprimeable number, because it can be changed into a prime (1002222110921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4987396 + ... + 5184453.

It is an arithmetic number, because the mean of its divisors is an integer number (167042120700).

Almost surely, 2^{1002222110121} is an apocalyptic number.

It is an amenable number.

1002222110121 is a deficient number, since it is larger than the sum of its proper divisors (334114855479).

1002222110121 is a wasteful number, since it uses less digits than its factorization.

1002222110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10204695.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1002222110121 its reverse (1210112222001), we get a palindrome (2212334332122).

The spelling of 1002222110121 in words is "one trillion, two billion, two hundred twenty-two million, one hundred ten thousand, one hundred twenty-one".