1123223211120 has 40 divisors (see below), whose sum is σ = 3481991955216. Its totient is φ = 299526189568.

The previous prime is 1123223211119. The next prime is 1123223211127. The reversal of 1123223211120 is 211123223211.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123223211127) 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, 2340048117 + ... + 2340048596.

Almost surely, 2^{1123223211120} is an apocalyptic number.

1123223211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123223211120 is an abundant number, since it is smaller than the sum of its proper divisors (2358768744096).

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

1123223211120 is a wasteful number, since it uses less digits than its factorization.

1123223211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680096729 (or 4680096723 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1123223211120 its reverse (211123223211), we get a palindrome (1334346434331).

The spelling of 1123223211120 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-three million, two hundred eleven thousand, one hundred twenty".