11101000120002 has 48 divisors (see below), whose sum is σ = 25902934686720. Its totient is φ = 3415613082336.

The previous prime is 11101000119997. The next prime is 11101000120031. The reversal of 11101000120002 is 20002100010111.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9984949 + ... + 11040887.

It is an arithmetic number, because the mean of its divisors is an integer number (539644472640).

Almost surely, 2^{11101000120002} is an apocalyptic number.

11101000120002 is an abundant number, since it is smaller than the sum of its proper divisors (14801934566718).

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

11101000120002 is a wasteful number, since it uses less digits than its factorization.

11101000120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100887 (or 1100884 counting only the distinct ones).

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

Adding to 11101000120002 its reverse (20002100010111), we get a palindrome (31103100130113).

The spelling of 11101000120002 in words is "eleven trillion, one hundred one billion, one hundred twenty thousand, two".