11121230222120 has 32 divisors (see below), whose sum is σ = 25280734689000. Its totient is φ = 4402631344128.

The previous prime is 11121230222117. The next prime is 11121230222131. The reversal of 11121230222120 is 2122203212111.

It can be written as a sum of positive squares in 4 ways, for example, as 8534028745636 + 2587201476484 = 2921306^2 + 1608478^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11121230222092 and 11121230222101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1433144345 + ... + 1433152104.

Almost surely, 2^{11121230222120} is an apocalyptic number.

11121230222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121230222120 is an abundant number, since it is smaller than the sum of its proper divisors (14159504466880).

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

11121230222120 is a wasteful number, since it uses less digits than its factorization.

11121230222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866296557 (or 2866296553 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11121230222120 its reverse (2122203212111), we get a palindrome (13243433434231).

The spelling of 11121230222120 in words is "eleven trillion, one hundred twenty-one billion, two hundred thirty million, two hundred twenty-two thousand, one hundred twenty".