11001211220011 has 8 divisors (see below), whose sum is σ = 11054272477248. Its totient is φ = 10948158669000.

The previous prime is 11001211219997. The next prime is 11001211220173. The reversal of 11001211220011 is 11002211210011.

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 11001211220011 - 2¹¹ = 11001211217963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001211219973 and 11001211220000.

It is not an unprimeable number, because it can be changed into a prime (11001214220011) 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, 363876 + ... + 4704766.

It is an arithmetic number, because the mean of its divisors is an integer number (1381784059656).

Almost surely, 2^{11001211220011} is an apocalyptic number.

11001211220011 is a deficient number, since it is larger than the sum of its proper divisors (53061257237).

11001211220011 is a wasteful number, since it uses less digits than its factorization.

11001211220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353113.

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

Adding to 11001211220011 its reverse (11002211210011), we get a palindrome (22003422430022).

The spelling of 11001211220011 in words is "eleven trillion, one billion, two hundred eleven million, two hundred twenty thousand, eleven".