1123200133221 has 8 divisors (see below), whose sum is σ = 1498970356000. Its totient is φ = 748114999632.

The previous prime is 1123200133217. The next prime is 1123200133229. The reversal of 1123200133221 is 1223310023211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1123200133221 - 2² = 1123200133217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123200133229) 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 7 ways as a sum of consecutive naturals, for example, 171268471 + ... + 171275028.

It is an arithmetic number, because the mean of its divisors is an integer number (187371294500).

Almost surely, 2^{1123200133221} is an apocalyptic number.

It is an amenable number.

1123200133221 is a deficient number, since it is larger than the sum of its proper divisors (375770222779).

1123200133221 is a wasteful number, since it uses less digits than its factorization.

1123200133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342544595.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1123200133221 its reverse (1223310023211), we get a palindrome (2346510156432).

The spelling of 1123200133221 in words is "one trillion, one hundred twenty-three billion, two hundred million, one hundred thirty-three thousand, two hundred twenty-one".