11011100020002 has 96 divisors (see below), whose sum is σ = 25340413578480. Its totient is φ = 3449380515840.

The previous prime is 11011100020001. The next prime is 11011100020099. The reversal of 11011100020002 is 20002000111011.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 709754015961 + 10301346004041 = 842469^2 + 3209571^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11011100020001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8672968 + ... + 9861164.

Almost surely, 2^{11011100020002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11011100020002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12670206789240).

11011100020002 is an abundant number, since it is smaller than the sum of its proper divisors (14329313558478).

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

11011100020002 is a wasteful number, since it uses less digits than its factorization.

11011100020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188708 (or 1188705 counting only the distinct ones).

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

Adding to 11011100020002 its reverse (20002000111011), we get a palindrome (31013100131013).

The spelling of 11011100020002 in words is "eleven trillion, eleven billion, one hundred million, twenty thousand, two".