11122121110120 has 32 divisors (see below), whose sum is σ = 25066972842120. Its totient is φ = 4441346160640.

The previous prime is 11122121110033. The next prime is 11122121110129. The reversal of 11122121110120 is 2101112122111.

It can be written as a sum of positive squares in 4 ways, for example, as 9095182335684 + 2026938774436 = 3015822^2 + 1423706^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11122121110094 and 11122121110103.

It is not an unprimeable number, because it can be changed into a prime (11122121110129) 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, 234422341 + ... + 234469780.

Almost surely, 2^{11122121110120} is an apocalyptic number.

11122121110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122121110120 is an abundant number, since it is smaller than the sum of its proper divisors (13944851732000).

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

11122121110120 is a wasteful number, since it uses less digits than its factorization.

11122121110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468892725 (or 468892721 counting only the distinct ones).

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

Adding to 11122121110120 its reverse (2101112122111), we get a palindrome (13223233232231).

The spelling of 11122121110120 in words is "eleven trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred ten thousand, one hundred twenty".