11001111222002 has 24 divisors (see below), whose sum is σ = 18138435099708. Its totient is φ = 5000439121920.

The previous prime is 11001111222001. The next prime is 11001111222077. The reversal of 11001111222002 is 20022211110011.

It can be written as a sum of positive squares in 2 ways, for example, as 10991220720601 + 9890501401 = 3315301^2 + 99451^2 .

It is not an unprimeable number, because it can be changed into a prime (11001111222001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21280898 + ... + 21791714.

Almost surely, 2^{11001111222002} is an apocalyptic number.

11001111222002 is a deficient number, since it is larger than the sum of its proper divisors (7137323877706).

11001111222002 is a wasteful number, since it uses less digits than its factorization.

11001111222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599834 (or 599823 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11001111222002 its reverse (20022211110011), we get a palindrome (31023322332013).

The spelling of 11001111222002 in words is "eleven trillion, one billion, one hundred eleven million, two hundred twenty-two thousand, two".