11100000021102 has 48 divisors (see below), whose sum is σ = 24822666535680. Its totient is φ = 3583000236816.

The previous prime is 11100000021091. The next prime is 11100000021193. The reversal of 11100000021102 is 20112000000111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

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, 77928678 + ... + 78070985.

It is an arithmetic number, because the mean of its divisors is an integer number (517138886160).

Almost surely, 2^{11100000021102} is an apocalyptic number.

11100000021102 is an abundant number, since it is smaller than the sum of its proper divisors (13722666514578).

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

11100000021102 is a wasteful number, since it uses less digits than its factorization.

11100000021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155999797 (or 155999794 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11100000021102 its reverse (20112000000111), we get a palindrome (31212000021213).

The spelling of 11100000021102 in words is "eleven trillion, one hundred billion, twenty-one thousand, one hundred two".