11220011102011 has 4 divisors (see below), whose sum is σ = 11220433903000. Its totient is φ = 11219588301024.

The previous prime is 11220011101913. The next prime is 11220011102029. The reversal of 11220011102011 is 11020111002211.

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 11220011102011 - 2¹⁷ = 11220010970939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220011101982 and 11220011102000.

It is not an unprimeable number, because it can be changed into a prime (11220011105011) 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, 211360686 + ... + 211413763.

It is an arithmetic number, because the mean of its divisors is an integer number (2805108475750).

Almost surely, 2^{11220011102011} is an apocalyptic number.

11220011102011 is a deficient number, since it is larger than the sum of its proper divisors (422800989).

11220011102011 is an equidigital number, since it uses as much as digits as its factorization.

11220011102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422800988.

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

Adding to 11220011102011 its reverse (11020111002211), we get a palindrome (22240122104222).

The spelling of 11220011102011 in words is "eleven trillion, two hundred twenty billion, eleven million, one hundred two thousand, eleven".