1022320121003 has 4 divisors (see below), whose sum is σ = 1024061723160. Its totient is φ = 1020578518848.

The previous prime is 1022320120993. The next prime is 1022320121041. The reversal of 1022320121003 is 3001210232201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1022320121003 - 2¹² = 1022320116907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022320121063) 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, 870800198 + ... + 870801371.

It is an arithmetic number, because the mean of its divisors is an integer number (256015430790).

Almost surely, 2^{1022320121003} is an apocalyptic number.

1022320121003 is a deficient number, since it is larger than the sum of its proper divisors (1741602157).

1022320121003 is an equidigital number, since it uses as much as digits as its factorization.

1022320121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741602156.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1022320121003 its reverse (3001210232201), we get a palindrome (4023530353204).

The spelling of 1022320121003 in words is "one trillion, twenty-two billion, three hundred twenty million, one hundred twenty-one thousand, three".