1021113223321 has 8 divisors (see below), whose sum is σ = 1045005619680. Its totient is φ = 997227444192.

The previous prime is 1021113223303. The next prime is 1021113223331. The reversal of 1021113223321 is 1233223111201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021113223321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021113223292 and 1021113223301.

It is not an unprimeable number, because it can be changed into a prime (1021113223331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1341391 + ... + 1959988.

It is an arithmetic number, because the mean of its divisors is an integer number (130625702460).

Almost surely, 2^{1021113223321} is an apocalyptic number.

It is an amenable number.

1021113223321 is a deficient number, since it is larger than the sum of its proper divisors (23892396359).

1021113223321 is an equidigital number, since it uses as much as digits as its factorization.

1021113223321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308615.

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

Adding to 1021113223321 its reverse (1233223111201), we get a palindrome (2254336334522).

The spelling of 1021113223321 in words is "one trillion, twenty-one billion, one hundred thirteen million, two hundred twenty-three thousand, three hundred twenty-one".