11222122012120 has 32 divisors (see below), whose sum is σ = 25291372233600. Its totient is φ = 4481453657088.

The previous prime is 11222122012117. The next prime is 11222122012121. The reversal of 11222122012120 is 2121022122211.

11222122012120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222122012121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231073785 + ... + 231122344.

It is an arithmetic number, because the mean of its divisors is an integer number (790355382300).

Almost surely, 2^{11222122012120} is an apocalyptic number.

11222122012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222122012120 is an abundant number, since it is smaller than the sum of its proper divisors (14069250221480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11222122012120 is a wasteful number, since it uses less digits than its factorization.

11222122012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462196747 (or 462196743 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11222122012120 its reverse (2121022122211), we get a palindrome (13343144134331).

The spelling of 11222122012120 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty-two million, twelve thousand, one hundred twenty".