1101321221331 has 8 divisors (see below), whose sum is σ = 1519063753680. Its totient is φ = 708896418272.

The previous prime is 1101321221309. The next prime is 1101321221339. The reversal of 1101321221331 is 1331221231011.

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 1101321221331 - 2²⁶ = 1101254112467 is a prime.

It is a super-2 number, since 2×1101321221331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101321221298 and 1101321221307.

It is not an unprimeable number, because it can be changed into a prime (1101321221339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6329432220 + ... + 6329432393.

It is an arithmetic number, because the mean of its divisors is an integer number (189882969210).

Almost surely, 2^{1101321221331} is an apocalyptic number.

1101321221331 is a deficient number, since it is larger than the sum of its proper divisors (417742532349).

1101321221331 is a wasteful number, since it uses less digits than its factorization.

1101321221331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12658864645.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1101321221331 its reverse (1331221231011), we get a palindrome (2432542452342).

The spelling of 1101321221331 in words is "one trillion, one hundred one billion, three hundred twenty-one million, two hundred twenty-one thousand, three hundred thirty-one".