11011200021211 has 8 divisors (see below), whose sum is σ = 11889503580080. Its totient is φ = 10137366201312.

The previous prime is 11011200021209. The next prime is 11011200021221. The reversal of 11011200021211 is 11212000211011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11011200021211 - 2¹ = 11011200021209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011200021191 and 11011200021200.

It is not an unprimeable number, because it can be changed into a prime (11011200021221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1117429620 + ... + 1117439473.

It is an arithmetic number, because the mean of its divisors is an integer number (1486187947510).

Almost surely, 2^{11011200021211} is an apocalyptic number.

11011200021211 is a deficient number, since it is larger than the sum of its proper divisors (878303558869).

11011200021211 is a wasteful number, since it uses less digits than its factorization.

11011200021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234869485.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11011200021211 its reverse (11212000211011), we get a palindrome (22223200232222).

The spelling of 11011200021211 in words is "eleven trillion, eleven billion, two hundred million, twenty-one thousand, two hundred eleven".