1200033221011 has 8 divisors (see below), whose sum is σ = 1200384046400. Its totient is φ = 1199682461952.

The previous prime is 1200033221003. The next prime is 1200033221039. The reversal of 1200033221011 is 1101223300021.

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 1200033221011 - 2³ = 1200033221003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200033221311) 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, 76676515 + ... + 76692163.

It is an arithmetic number, because the mean of its divisors is an integer number (150048005800).

Almost surely, 2^{1200033221011} is an apocalyptic number.

1200033221011 is a deficient number, since it is larger than the sum of its proper divisors (350825389).

1200033221011 is an equidigital number, since it uses as much as digits as its factorization.

1200033221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33165.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1200033221011 its reverse (1101223300021), we get a palindrome (2301256521032).

The spelling of 1200033221011 in words is "one trillion, two hundred billion, thirty-three million, two hundred twenty-one thousand, eleven".