1002002211223 has 24 divisors (see below), whose sum is σ = 1122642897120. Its totient is φ = 892855716480.

The previous prime is 1002002211113. The next prime is 1002002211227. The reversal of 1002002211223 is 3221122002001.

It is a happy number.

It is not a de Polignac number, because 1002002211223 - 2⁹ = 1002002210711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002002211197 and 1002002211206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002002211227) 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 23 ways as a sum of consecutive naturals, for example, 29295790 + ... + 29329972.

It is an arithmetic number, because the mean of its divisors is an integer number (46776787380).

Almost surely, 2^{1002002211223} is an apocalyptic number.

1002002211223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1002002211223 is a deficient number, since it is larger than the sum of its proper divisors (120640685897).

1002002211223 is a wasteful number, since it uses less digits than its factorization.

1002002211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40219 (or 40206 counting only the distinct ones).

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

Adding to 1002002211223 its reverse (3221122002001), we get a palindrome (4223124213224).

The spelling of 1002002211223 in words is "one trillion, two billion, two million, two hundred eleven thousand, two hundred twenty-three".