1330220231211 has 4 divisors (see below), whose sum is σ = 1773626974952. Its totient is φ = 886813487472.

The previous prime is 1330220231183. The next prime is 1330220231273. The reversal of 1330220231211 is 1121320220331.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1330220231211 - 2¹⁰ = 1330220230187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330220230211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221703371866 + ... + 221703371871.

It is an arithmetic number, because the mean of its divisors is an integer number (443406743738).

Almost surely, 2^{1330220231211} is an apocalyptic number.

1330220231211 is a deficient number, since it is larger than the sum of its proper divisors (443406743741).

1330220231211 is an equidigital number, since it uses as much as digits as its factorization.

1330220231211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443406743740.

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

Adding to 1330220231211 its reverse (1121320220331), we get a palindrome (2451540451542).

The spelling of 1330220231211 in words is "one trillion, three hundred thirty billion, two hundred twenty million, two hundred thirty-one thousand, two hundred eleven".