1022203123321 has 4 divisors (see below), whose sum is σ = 1023038940672. Its totient is φ = 1021367305972.

The previous prime is 1022203123289. The next prime is 1022203123351. The reversal of 1022203123321 is 1233213022201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1022203123321 - 2⁵ = 1022203123289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022203123292 and 1022203123301.

It is not an unprimeable number, because it can be changed into a prime (1022203123351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417906841 + ... + 417909286.

It is an arithmetic number, because the mean of its divisors is an integer number (255759735168).

Almost surely, 2^{1022203123321} is an apocalyptic number.

It is an amenable number.

1022203123321 is a deficient number, since it is larger than the sum of its proper divisors (835817351).

1022203123321 is an equidigital number, since it uses as much as digits as its factorization.

1022203123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835817350.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1022203123321 its reverse (1233213022201), we get a palindrome (2255416145522).

The spelling of 1022203123321 in words is "one trillion, twenty-two billion, two hundred three million, one hundred twenty-three thousand, three hundred twenty-one".