11031222101321 has 4 divisors (see below), whose sum is σ = 11031444245700. Its totient is φ = 11030999956944.

The previous prime is 11031222101311. The next prime is 11031222101353. The reversal of 11031222101321 is 12310122213011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2255343168400 + 8775878932921 = 1501780^2 + 2962411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11031222101321 is a prime.

It is a super-2 number, since 2×11031222101321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11031222101293 and 11031222101302.

It is not an unprimeable number, because it can be changed into a prime (11031222101311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110997686 + ... + 111097023.

It is an arithmetic number, because the mean of its divisors is an integer number (2757861061425).

Almost surely, 2^{11031222101321} is an apocalyptic number.

It is an amenable number.

11031222101321 is a deficient number, since it is larger than the sum of its proper divisors (222144379).

11031222101321 is an equidigital number, since it uses as much as digits as its factorization.

11031222101321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222144378.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11031222101321 its reverse (12310122213011), we get a palindrome (23341344314332).

The spelling of 11031222101321 in words is "eleven trillion, thirty-one billion, two hundred twenty-two million, one hundred one thousand, three hundred twenty-one".