11012221222011 has 24 divisors (see below), whose sum is σ = 16242136369680. Its totient is φ = 7188059149056.

The previous prime is 11012221222001. The next prime is 11012221222117. The reversal of 11012221222011 is 11022212221011.

11012221222011 is a `hidden beast` number, since 110 + 122 + 212 + 220 + 1 + 1 = 666.

It is not a de Polignac number, because 11012221222011 - 2¹⁵ = 11012221189243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11012221222001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61082881 + ... + 61262898.

It is an arithmetic number, because the mean of its divisors is an integer number (676755682070).

Almost surely, 2^{11012221222011} is an apocalyptic number.

11012221222011 is a deficient number, since it is larger than the sum of its proper divisors (5229915147669).

11012221222011 is a wasteful number, since it uses less digits than its factorization.

11012221222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122345995 (or 122345992 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11012221222011 its reverse (11022212221011), we get a palindrome (22034433443022).

The spelling of 11012221222011 in words is "eleven trillion, twelve billion, two hundred twenty-one million, two hundred twenty-two thousand, eleven".