11021002220011 has 4 divisors (see below), whose sum is σ = 12595431108592. Its totient is φ = 9446573331432.

The previous prime is 11021002219993. The next prime is 11021002220017. The reversal of 11021002220011 is 11002220012011.

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 11021002220011 - 2³¹ = 11018854736363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021002219973 and 11021002220000.

It is not an unprimeable number, because it can be changed into a prime (11021002220017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787214444280 + ... + 787214444293.

It is an arithmetic number, because the mean of its divisors is an integer number (3148857777148).

Almost surely, 2^{11021002220011} is an apocalyptic number.

11021002220011 is a deficient number, since it is larger than the sum of its proper divisors (1574428888581).

11021002220011 is an equidigital number, since it uses as much as digits as its factorization.

11021002220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574428888580.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11021002220011 its reverse (11002220012011), we get a palindrome (22023222232022).

The spelling of 11021002220011 in words is "eleven trillion, twenty-one billion, two million, two hundred twenty thousand, eleven".