11200123233221 has 8 divisors (see below), whose sum is σ = 12124166882520. Its totient is φ = 10285007542272.

The previous prime is 11200123233203. The next prime is 11200123233223. The reversal of 11200123233221 is 12233232100211.

It can be written as a sum of positive squares in 4 ways, for example, as 145495710721 + 11054627522500 = 381439^2 + 3324850^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11200123233221 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 (11200123233223) 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, 2231986976 + ... + 2231991993.

It is an arithmetic number, because the mean of its divisors is an integer number (1515520860315).

Almost surely, 2^{11200123233221} is an apocalyptic number.

It is an amenable number.

11200123233221 is a deficient number, since it is larger than the sum of its proper divisors (924043649299).

11200123233221 is a wasteful number, since it uses less digits than its factorization.

11200123233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4463979175.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 11200123233221 its reverse (12233232100211), we get a palindrome (23433355333432).

The spelling of 11200123233221 in words is "eleven trillion, two hundred billion, one hundred twenty-three million, two hundred thirty-three thousand, two hundred twenty-one".