11111222022011 has 16 divisors (see below), whose sum is σ = 11395538784000. Its totient is φ = 10827546393600.

The previous prime is 11111222022001. The next prime is 11111222022053. The reversal of 11111222022011 is 11022022211111.

It is a cyclic number.

It is not a de Polignac number, because 11111222022011 - 2¹⁴ = 11111222005627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111222022001) 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, 127453265 + ... + 127540413.

It is an arithmetic number, because the mean of its divisors is an integer number (712221174000).

Almost surely, 2^{11111222022011} is an apocalyptic number.

11111222022011 is a deficient number, since it is larger than the sum of its proper divisors (284316761989).

11111222022011 is a wasteful number, since it uses less digits than its factorization.

11111222022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90790.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11111222022011 its reverse (11022022211111), we get a palindrome (22133244233122).

The spelling of 11111222022011 in words is "eleven trillion, one hundred eleven billion, two hundred twenty-two million, twenty-two thousand, eleven".