1123122103120 has 80 divisors (see below), whose sum is σ = 2669951612160. Its totient is φ = 439173637632.

The previous prime is 1123122103109. The next prime is 1123122103127. The reversal of 1123122103120 is 213012213211.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1123122103120² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123122103127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3032191 + ... + 3382369.

It is an arithmetic number, because the mean of its divisors is an integer number (33374395152).

Almost surely, 2^{1123122103120} is an apocalyptic number.

1123122103120 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 1123122103120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334975806080).

1123122103120 is an abundant number, since it is smaller than the sum of its proper divisors (1546829509040).

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

1123122103120 is a wasteful number, since it uses less digits than its factorization.

1123122103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351092 (or 351086 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1123122103120 its reverse (213012213211), we get a palindrome (1336134316331).

The spelling of 1123122103120 in words is "one trillion, one hundred twenty-three billion, one hundred twenty-two million, one hundred three thousand, one hundred twenty".