1021223133313 has 4 divisors (see below), whose sum is σ = 1021269763008. Its totient is φ = 1021176503620.

The previous prime is 1021223133277. The next prime is 1021223133401. The reversal of 1021223133313 is 3133313221201.

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 1021223133313 - 2⁹ = 1021223132801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021223133713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23281981 + ... + 23325802.

It is an arithmetic number, because the mean of its divisors is an integer number (255317440752).

Almost surely, 2^{1021223133313} is an apocalyptic number.

It is an amenable number.

1021223133313 is a deficient number, since it is larger than the sum of its proper divisors (46629695).

1021223133313 is an equidigital number, since it uses as much as digits as its factorization.

1021223133313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46629694.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1021223133313 its reverse (3133313221201), we get a palindrome (4154536354514).

The spelling of 1021223133313 in words is "one trillion, twenty-one billion, two hundred twenty-three million, one hundred thirty-three thousand, three hundred thirteen".