11331223013021 has 8 divisors (see below), whose sum is σ = 11450967267264. Its totient is φ = 11211538504320.

The previous prime is 11331223012997. The next prime is 11331223013081. The reversal of 11331223013021 is 12031032213311.

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 11331223013021 - 2⁴² = 6933176501917 is a prime.

It is a super-2 number, since 2×11331223013021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331223013081) 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, 14555015 + ... + 15313748.

It is an arithmetic number, because the mean of its divisors is an integer number (1431370908408).

Almost surely, 2^{11331223013021} is an apocalyptic number.

It is an amenable number.

11331223013021 is a deficient number, since it is larger than the sum of its proper divisors (119744254243).

11331223013021 is an equidigital number, since it uses as much as digits as its factorization.

11331223013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29872771.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 11331223013021 its reverse (12031032213311), we get a palindrome (23362255226332).

The spelling of 11331223013021 in words is "eleven trillion, three hundred thirty-one billion, two hundred twenty-three million, thirteen thousand, twenty-one".