1321133230011 has 8 divisors (see below), whose sum is σ = 2013155398144. Its totient is φ = 754933274280.

The previous prime is 1321133229931. The next prime is 1321133230063. The reversal of 1321133230011 is 1100323311231.

It is a happy number.

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

It is not a de Polignac number, because 1321133230011 - 2¹³ = 1321133221819 is a prime.

It is a super-2 number, since 2×1321133230011² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 62911106191 = 1321133230011 / (1 + 3 + 2 + 1 + 1 + 3 + 3 + 2 + 3 + 0 + 0 + 1 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1321133230011.

It is not an unprimeable number, because it can be changed into a prime (1321133230211) 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, 31455553075 + ... + 31455553116.

It is an arithmetic number, because the mean of its divisors is an integer number (251644424768).

Almost surely, 2^{1321133230011} is an apocalyptic number.

1321133230011 is a deficient number, since it is larger than the sum of its proper divisors (692022168133).

1321133230011 is an equidigital number, since it uses as much as digits as its factorization.

1321133230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62911106201.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1321133230011 its reverse (1100323311231), we get a palindrome (2421456541242).

The spelling of 1321133230011 in words is "one trillion, three hundred twenty-one billion, one hundred thirty-three million, two hundred thirty thousand, eleven".