1320211111330 has 16 divisors (see below), whose sum is σ = 2421217359864. Its totient is φ = 518120586880.

The previous prime is 1320211111273. The next prime is 1320211111367. The reversal of 1320211111330 is 331111120231.

It can be written as a sum of positive squares in 4 ways, for example, as 1319151022849 + 1060088481 = 1148543^2 + 32559^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1320211111298 and 1320211111307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245481651 + ... + 1245482710.

Almost surely, 2^{1320211111330} is an apocalyptic number.

1320211111330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320211111330 is a deficient number, since it is larger than the sum of its proper divisors (1101006248534).

1320211111330 is a wasteful number, since it uses less digits than its factorization.

1320211111330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490964421.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1320211111330 its reverse (331111120231), we get a palindrome (1651322231561).

The spelling of 1320211111330 in words is "one trillion, three hundred twenty billion, two hundred eleven million, one hundred eleven thousand, three hundred thirty".