11012222011121 has 16 divisors (see below), whose sum is σ = 11148658560000. Its totient is φ = 10876374018048.

The previous prime is 11012222011117. The next prime is 11012222011163. The reversal of 11012222011121 is 12111022221011.

It is a cyclic number.

It is not a de Polignac number, because 11012222011121 - 2² = 11012222011117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11012222011121.

It is not an unprimeable number, because it can be changed into a prime (11012222010121) 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, 110896925 + ... + 110996181.

It is an arithmetic number, because the mean of its divisors is an integer number (696791160000).

Almost surely, 2^{11012222011121} is an apocalyptic number.

It is an amenable number.

11012222011121 is a deficient number, since it is larger than the sum of its proper divisors (136436548879).

11012222011121 is a wasteful number, since it uses less digits than its factorization.

11012222011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102208.

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

Adding to 11012222011121 its reverse (12111022221011), we get a palindrome (23123244232132).

The spelling of 11012222011121 in words is "eleven trillion, twelve billion, two hundred twenty-two million, eleven thousand, one hundred twenty-one".