11112022121120 has 96 divisors (see below), whose sum is σ = 26415207474768. Its totient is φ = 4417281589248.

The previous prime is 11112022121117. The next prime is 11112022121147. The reversal of 11112022121120 is 2112122021111.

It can be written as a sum of positive squares in 8 ways, for example, as 7438252563856 + 3673769557264 = 2727316^2 + 1916708^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 17492912 + ... + 18117008.

Almost surely, 2^{11112022121120} is an apocalyptic number.

11112022121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11112022121120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13207603737384).

11112022121120 is an abundant number, since it is smaller than the sum of its proper divisors (15303185353648).

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

11112022121120 is a wasteful number, since it uses less digits than its factorization.

11112022121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624802 (or 624794 counting only the distinct ones).

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

Adding to 11112022121120 its reverse (2112122021111), we get a palindrome (13224144142231).

The spelling of 11112022121120 in words is "eleven trillion, one hundred twelve billion, twenty-two million, one hundred twenty-one thousand, one hundred twenty".