1200223111321 has 8 divisors (see below), whose sum is σ = 1320048987264. Its totient is φ = 1084325952720.

The previous prime is 1200223111247. The next prime is 1200223111349. The reversal of 1200223111321 is 1231113220021.

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

It is a cyclic number.

It is not a de Polignac number, because 1200223111321 - 2¹⁷ = 1200222980249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200223111921) 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, 982178695 + ... + 982179916.

It is an arithmetic number, because the mean of its divisors is an integer number (165006123408).

Almost surely, 2^{1200223111321} is an apocalyptic number.

It is an amenable number.

1200223111321 is a deficient number, since it is larger than the sum of its proper divisors (119825875943).

1200223111321 is a wasteful number, since it uses less digits than its factorization.

1200223111321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964358671.

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

Adding to 1200223111321 its reverse (1231113220021), we get a palindrome (2431336331342).

The spelling of 1200223111321 in words is "one trillion, two hundred billion, two hundred twenty-three million, one hundred eleven thousand, three hundred twenty-one".