11211202222011 has 48 divisors (see below), whose sum is σ = 18238837893120. Its totient is φ = 6574466304000.

The previous prime is 11211202221971. The next prime is 11211202222049. The reversal of 11211202222011 is 11022220211211.

11211202222011 is a `hidden beast` number, since 1 + 121 + 120 + 222 + 201 + 1 = 666.

It is not a de Polignac number, because 11211202222011 - 2¹⁷ = 11211202090939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11211202222211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19757746 + ... + 20317256.

It is an arithmetic number, because the mean of its divisors is an integer number (379975789440).

Almost surely, 2^{11211202222011} is an apocalyptic number.

11211202222011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11211202222011 is a deficient number, since it is larger than the sum of its proper divisors (7027635671109).

11211202222011 is a wasteful number, since it uses less digits than its factorization.

11211202222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566088 (or 566085 counting only the distinct ones).

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

Adding to 11211202222011 its reverse (11022220211211), we get a palindrome (22233422433222).

The spelling of 11211202222011 in words is "eleven trillion, two hundred eleven billion, two hundred two million, two hundred twenty-two thousand, eleven".