11021213123321 has 8 divisors (see below), whose sum is σ = 11671235249184. Its totient is φ = 10371381605440.

The previous prime is 11021213123309. The next prime is 11021213123351. The reversal of 11021213123321 is 12332131212011.

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 11021213123321 - 2¹⁸ = 11021212861177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11021213123351) 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, 47532935 + ... + 47764236.

It is an arithmetic number, because the mean of its divisors is an integer number (1458904406148).

Almost surely, 2^{11021213123321} is an apocalyptic number.

It is an amenable number.

11021213123321 is a deficient number, since it is larger than the sum of its proper divisors (650022125863).

11021213123321 is an equidigital number, since it uses as much as digits as its factorization.

11021213123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95303991.

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

Adding to 11021213123321 its reverse (12332131212011), we get a palindrome (23353344335332).

The spelling of 11021213123321 in words is "eleven trillion, twenty-one billion, two hundred thirteen million, one hundred twenty-three thousand, three hundred twenty-one".