11122120221011 has 4 divisors (see below), whose sum is σ = 11122215302400. Its totient is φ = 11122025139624.

The previous prime is 11122120220989. The next prime is 11122120221041. The reversal of 11122120221011 is 11012202122111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11122120221011 - 2³⁰ = 11121046479187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122120221041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47365016 + ... + 47599253.

It is an arithmetic number, because the mean of its divisors is an integer number (2780553825600).

Almost surely, 2^{11122120221011} is an apocalyptic number.

11122120221011 is a deficient number, since it is larger than the sum of its proper divisors (95081389).

11122120221011 is an equidigital number, since it uses as much as digits as its factorization.

11122120221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95081388.

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

Adding to 11122120221011 its reverse (11012202122111), we get a palindrome (22134322343122).

The spelling of 11122120221011 in words is "eleven trillion, one hundred twenty-two billion, one hundred twenty million, two hundred twenty-one thousand, eleven".