11012221112011 has 8 divisors (see below), whose sum is σ = 12791713517024. Its totient is φ = 9284308197120.

The previous prime is 11012221111967. The next prime is 11012221112029. The reversal of 11012221112011 is 11021112221011.

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 11012221112011 - 2¹¹ = 11012221109963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012221112311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12894872070 + ... + 12894872923.

It is an arithmetic number, because the mean of its divisors is an integer number (1598964189628).

Almost surely, 2^{11012221112011} is an apocalyptic number.

11012221112011 is a deficient number, since it is larger than the sum of its proper divisors (1779492405013).

11012221112011 is an equidigital number, since it uses as much as digits as its factorization.

11012221112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25789745061.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11012221112011 its reverse (11021112221011), we get a palindrome (22033333333022).

The spelling of 11012221112011 in words is "eleven trillion, twelve billion, two hundred twenty-one million, one hundred twelve thousand, eleven".