11331122231021 has 8 divisors (see below), whose sum is σ = 11618314372224. Its totient is φ = 11045851108000.

The previous prime is 11331122231003. The next prime is 11331122231063. The reversal of 11331122231021 is 12013222113311.

It is a happy number.

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 11331122231021 - 2¹⁰ = 11331122229997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331122231621) 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, 480242600 + ... + 480266193.

It is an arithmetic number, because the mean of its divisors is an integer number (1452289296528).

Almost surely, 2^{11331122231021} is an apocalyptic number.

It is an amenable number.

11331122231021 is a deficient number, since it is larger than the sum of its proper divisors (287192141203).

11331122231021 is an equidigital number, since it uses as much as digits as its factorization.

11331122231021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960509091.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11331122231021 its reverse (12013222113311), we get a palindrome (23344344344332).

The spelling of 11331122231021 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-two million, two hundred thirty-one thousand, twenty-one".