11221303132021 has 8 divisors (see below), whose sum is σ = 11243452930200. Its totient is φ = 11199158530560.

The previous prime is 11221303131937. The next prime is 11221303132037. The reversal of 11221303132021 is 12023130312211.

It can be written as a sum of positive squares in 4 ways, for example, as 2475744902500 + 8745558229521 = 1573450^2 + 2957289^2 .

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 11221303132021 - 2²⁵ = 11221269577589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11221303131983 and 11221303132001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221303132321) 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, 3037965 + ... + 5627773.

It is an arithmetic number, because the mean of its divisors is an integer number (1405431616275).

Almost surely, 2^{11221303132021} is an apocalyptic number.

It is an amenable number.

11221303132021 is a deficient number, since it is larger than the sum of its proper divisors (22149798179).

11221303132021 is an equidigital number, since it uses as much as digits as its factorization.

11221303132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598359.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11221303132021 its reverse (12023130312211), we get a palindrome (23244433444232).

The spelling of 11221303132021 in words is "eleven trillion, two hundred twenty-one billion, three hundred three million, one hundred thirty-two thousand, twenty-one".