11221110020011 has 16 divisors (see below), whose sum is σ = 11496122557920. Its totient is φ = 10946740250880.

The previous prime is 11221110020009. The next prime is 11221110020063. The reversal of 11221110020011 is 11002001112211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11221110020011 - 2¹ = 11221110020009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11221110019973 and 11221110020000.

It is not an unprimeable number, because it can be changed into a prime (11221110024011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300742825 + ... + 300780133.

It is an arithmetic number, because the mean of its divisors is an integer number (718507659870).

Almost surely, 2^{11221110020011} is an apocalyptic number.

11221110020011 is a deficient number, since it is larger than the sum of its proper divisors (275012537909).

11221110020011 is an equidigital number, since it uses as much as digits as its factorization.

11221110020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45726.

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

Adding to 11221110020011 its reverse (11002001112211), we get a palindrome (22223111132222).

The spelling of 11221110020011 in words is "eleven trillion, two hundred twenty-one billion, one hundred ten million, twenty thousand, eleven".