11011101111002 has 8 divisors (see below), whose sum is σ = 16521326642196. Its totient is φ = 5503992230272.

The previous prime is 11011101111001. The next prime is 11011101111047. The reversal of 11011101111002 is 20011110111011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9954397293481 + 1056703817521 = 3155059^2 + 1027961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11011101111001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779153783 + ... + 779167914.

Almost surely, 2^{11011101111002} is an apocalyptic number.

11011101111002 is a deficient number, since it is larger than the sum of its proper divisors (5510225531194).

11011101111002 is a wasteful number, since it uses less digits than its factorization.

11011101111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558325232.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11011101111002 its reverse (20011110111011), we get a palindrome (31022211222013).

Subtracting 11011101111002 from its reverse (20011110111011), we obtain a palindrome (9000009000009).

The spelling of 11011101111002 in words is "eleven trillion, eleven billion, one hundred one million, one hundred eleven thousand, two".