1001122223223 has 16 divisors (see below), whose sum is σ = 1336974912000. Its totient is φ = 666342931680.

The previous prime is 1001122223221. The next prime is 1001122223261. The reversal of 1001122223223 is 3223222211001.

It is not a de Polignac number, because 1001122223223 - 2¹ = 1001122223221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001122223223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001122223221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5280238 + ... + 5466548.

It is an arithmetic number, because the mean of its divisors is an integer number (83560932000).

Almost surely, 2^{1001122223223} is an apocalyptic number.

1001122223223 is a deficient number, since it is larger than the sum of its proper divisors (335852688777).

1001122223223 is a wasteful number, since it uses less digits than its factorization.

1001122223223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189182.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1001122223223 its reverse (3223222211001), we get a palindrome (4224344434224).

The spelling of 1001122223223 in words is "one trillion, one billion, one hundred twenty-two million, two hundred twenty-three thousand, two hundred twenty-three".