100002102221121 has 4 divisors (see below), whose sum is σ = 133336136294832. Its totient is φ = 66668068147412.

The previous prime is 100002102221117. The next prime is 100002102221141. The reversal of 100002102221121 is 121122201200001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100002102221121 - 2² = 100002102221117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100002102221121.

It is not an unprimeable number, because it can be changed into a prime (100002102221141) 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, 16667017036851 + ... + 16667017036856.

It is an arithmetic number, because the mean of its divisors is an integer number (33334034073708).

Almost surely, 2^{100002102221121} is an apocalyptic number.

It is an amenable number.

100002102221121 is a deficient number, since it is larger than the sum of its proper divisors (33334034073711).

100002102221121 is an equidigital number, since it uses as much as digits as its factorization.

100002102221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33334034073710.

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

Adding to 100002102221121 its reverse (121122201200001), we get a palindrome (221124303421122).

The spelling of 100002102221121 in words is "one hundred trillion, two billion, one hundred two million, two hundred twenty-one thousand, one hundred twenty-one".