11311022101321 has 8 divisors (see below), whose sum is σ = 11327760027584. Its totient is φ = 11294287416720.

The previous prime is 11311022101217. The next prime is 11311022101333. The reversal of 11311022101321 is 12310122011311.

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 11311022101321 - 2¹⁵ = 11311022068553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11311022101381) 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, 6218326 + ... + 7828768.

It is an arithmetic number, because the mean of its divisors is an integer number (1415970003448).

Almost surely, 2^{11311022101321} is an apocalyptic number.

It is an amenable number.

11311022101321 is a deficient number, since it is larger than the sum of its proper divisors (16737926263).

11311022101321 is an equidigital number, since it uses as much as digits as its factorization.

11311022101321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620831.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11311022101321 its reverse (12310122011311), we get a palindrome (23621144112632).

The spelling of 11311022101321 in words is "eleven trillion, three hundred eleven billion, twenty-two million, one hundred one thousand, three hundred twenty-one".