11021200112011 has 4 divisors (see below), whose sum is σ = 11022215059800. Its totient is φ = 11020185164224.

The previous prime is 11021200112003. The next prime is 11021200112023. The reversal of 11021200112011 is 11021100212011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11021200112011 - 2³ = 11021200112003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021200111982 and 11021200112000.

It is not an unprimeable number, because it can be changed into a prime (11021200112311) 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, 507457606 + ... + 507479323.

It is an arithmetic number, because the mean of its divisors is an integer number (2755553764950).

Almost surely, 2^{11021200112011} is an apocalyptic number.

11021200112011 is a deficient number, since it is larger than the sum of its proper divisors (1014947789).

11021200112011 is a wasteful number, since it uses less digits than its factorization.

11021200112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014947788.

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

Adding to 11021200112011 its reverse (11021100212011), we get a palindrome (22042300324022).

The spelling of 11021200112011 in words is "eleven trillion, twenty-one billion, two hundred million, one hundred twelve thousand, eleven".