11211022201011 has 16 divisors (see below), whose sum is σ = 15226540922880. Its totient is φ = 7335703247040.

The previous prime is 11211022200899. The next prime is 11211022201061. The reversal of 11211022201011 is 11010222011211.

It is a happy number.

It is not a de Polignac number, because 11211022201011 - 2¹⁸ = 11211021938867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11211022201061) 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 15 ways as a sum of consecutive naturals, for example, 117965746 + ... + 118060743.

It is an arithmetic number, because the mean of its divisors is an integer number (951658807680).

Almost surely, 2^{11211022201011} is an apocalyptic number.

11211022201011 is a deficient number, since it is larger than the sum of its proper divisors (4015518721869).

11211022201011 is a wasteful number, since it uses less digits than its factorization.

11211022201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236026786.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11211022201011 its reverse (11010222011211), we get a palindrome (22221244212222).

The spelling of 11211022201011 in words is "eleven trillion, two hundred eleven billion, twenty-two million, two hundred one thousand, eleven".