11101002102 has 64 divisors (see below), whose sum is σ = 25896499200. Its totient is φ = 3520242720.

The previous prime is 11101002089. The next prime is 11101002131. The reversal of 11101002102 is 20120010111.

It is a happy number.

11101002102 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42568 + ... + 154964.

It is an arithmetic number, because the mean of its divisors is an integer number (404632800).

Almost surely, 2^11101002102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11101002102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12948249600).

11101002102 is an abundant number, since it is smaller than the sum of its proper divisors (14795497098).

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

11101002102 is a wasteful number, since it uses less digits than its factorization.

11101002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112498 (or 112492 counting only the distinct ones).

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

Adding to 11101002102 its reverse (20120010111), we get a palindrome (31221012213).

The spelling of 11101002102 in words is "eleven billion, one hundred one million, two thousand, one hundred two".