11002221111102 has 32 divisors (see below), whose sum is σ = 23723807772672. Its totient is φ = 3381482210784.

The previous prime is 11002221111071. The next prime is 11002221111109. The reversal of 11002221111102 is 20111112220011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002221111109) 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 15 ways as a sum of consecutive naturals, for example, 79442718 + ... + 79581089.

It is an arithmetic number, because the mean of its divisors is an integer number (741368992896).

Almost surely, 2^{11002221111102} is an apocalyptic number.

11002221111102 is an abundant number, since it is smaller than the sum of its proper divisors (12721586661570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11002221111102 is a wasteful number, since it uses less digits than its factorization.

11002221111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159024712.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11002221111102 its reverse (20111112220011), we get a palindrome (31113333331113).

The spelling of 11002221111102 in words is "eleven trillion, two billion, two hundred twenty-one million, one hundred eleven thousand, one hundred two".