11222011121 has 8 divisors (see below), whose sum is σ = 11825866944. Its totient is φ = 10627817200.

The previous prime is 11222011109. The next prime is 11222011123. The reversal of 11222011121 is 12111022211.

11222011121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11222011121 - 2¹⁴ = 11221994737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11222011096 and 11222011105.

It is not an unprimeable number, because it can be changed into a prime (11222011123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2413091 + ... + 2417736.

It is an arithmetic number, because the mean of its divisors is an integer number (1478233368).

Almost surely, 2^11222011121 is an apocalyptic number.

It is an amenable number.

11222011121 is a deficient number, since it is larger than the sum of its proper divisors (603855823).

11222011121 is a wasteful number, since it uses less digits than its factorization.

11222011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830951.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11222011121 its reverse (12111022211), we get a palindrome (23333033332).

The spelling of 11222011121 in words is "eleven billion, two hundred twenty-two million, eleven thousand, one hundred twenty-one".