1002111222223 has 4 divisors (see below), whose sum is σ = 1036666781640. Its totient is φ = 967555662808.

The previous prime is 1002111222199. The next prime is 1002111222227. The reversal of 1002111222223 is 3222221112001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002111222223 - 2¹³ = 1002111214031 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 1002111222223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002111222227) 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, 17277779665 + ... + 17277779722.

It is an arithmetic number, because the mean of its divisors is an integer number (259166695410).

Almost surely, 2^{1002111222223} is an apocalyptic number.

1002111222223 is a deficient number, since it is larger than the sum of its proper divisors (34555559417).

1002111222223 is an equidigital number, since it uses as much as digits as its factorization.

1002111222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34555559416.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1002111222223 its reverse (3222221112001), we get a palindrome (4224332334224).

The spelling of 1002111222223 in words is "one trillion, two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred twenty-three".