1321111301330 has 16 divisors (see below), whose sum is σ = 2517882715800. Its totient is φ = 497359548672.

The previous prime is 1321111301309. The next prime is 1321111301353. The reversal of 1321111301330 is 331031111231.

It can be written as a sum of positive squares in 4 ways, for example, as 941639285161 + 379472016169 = 970381^2 + 616013^2 .

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, 3885621305 + ... + 3885621644.

Almost surely, 2^{1321111301330} is an apocalyptic number.

1321111301330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321111301330 is a deficient number, since it is larger than the sum of its proper divisors (1196771414470).

1321111301330 is a wasteful number, since it uses less digits than its factorization.

1321111301330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7771242973.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1321111301330 its reverse (331031111231), we get a palindrome (1652142412561).

The spelling of 1321111301330 in words is "one trillion, three hundred twenty-one billion, one hundred eleven million, three hundred one thousand, three hundred thirty".