1123121233300 has 144 divisors (see below), whose sum is σ = 2846765295360. Its totient is φ = 380064256000.

The previous prime is 1123121233259. The next prime is 1123121233301. The reversal of 1123121233300 is 33321213211.

It is a super-2 number, since 2×1123121233300² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123121233301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1326885 + ... + 2001715.

It is an arithmetic number, because the mean of its divisors is an integer number (19769203440).

Almost surely, 2^{1123121233300} is an apocalyptic number.

1123121233300 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 1123121233300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1423382647680).

1123121233300 is an abundant number, since it is smaller than the sum of its proper divisors (1723644062060).

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

1123121233300 is a wasteful number, since it uses less digits than its factorization.

1123121233300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674962 (or 674955 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1123121233300 its reverse (33321213211), we get a palindrome (1156442446511).

The spelling of 1123121233300 in words is "one trillion, one hundred twenty-three billion, one hundred twenty-one million, two hundred thirty-three thousand, three hundred".