11321222021023 has 4 divisors (see below), whose sum is σ = 11321468036200. Its totient is φ = 11320976005848.

The previous prime is 11321222020949. The next prime is 11321222021029. The reversal of 11321222021023 is 32012022212311.

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

It is a cyclic number.

It is not a de Polignac number, because 11321222021023 - 2¹⁷ = 11321221889951 is a prime.

It is a super-2 number, since 2×11321222021023² (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 = 11321222020985 and 11321222021003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321222021029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122938548 + ... + 123030601.

It is an arithmetic number, because the mean of its divisors is an integer number (2830367009050).

Almost surely, 2^{11321222021023} is an apocalyptic number.

11321222021023 is a deficient number, since it is larger than the sum of its proper divisors (246015177).

11321222021023 is an equidigital number, since it uses as much as digits as its factorization.

11321222021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246015176.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11321222021023 its reverse (32012022212311), we get a palindrome (43333244233334).

The spelling of 11321222021023 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, twenty-one thousand, twenty-three".