1113202123321 has 4 divisors (see below), whose sum is σ = 1114413443200. Its totient is φ = 1111990803444.

The previous prime is 1113202123309. The next prime is 1113202123333. The reversal of 1113202123321 is 1233212023111.

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 an interprime number because it is at equal distance from previous prime (1113202123309) and next prime (1113202123333).

It is a cyclic number.

It is not a de Polignac number, because 1113202123321 - 2⁷ = 1113202123193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113202123292 and 1113202123301.

It is not an unprimeable number, because it can be changed into a prime (1113202123351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605658561 + ... + 605660398.

It is an arithmetic number, because the mean of its divisors is an integer number (278603360800).

Almost surely, 2^{1113202123321} is an apocalyptic number.

It is an amenable number.

1113202123321 is a deficient number, since it is larger than the sum of its proper divisors (1211319879).

1113202123321 is an equidigital number, since it uses as much as digits as its factorization.

1113202123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211319878.

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

Adding to 1113202123321 its reverse (1233212023111), we get a palindrome (2346414146432).

The spelling of 1113202123321 in words is "one trillion, one hundred thirteen billion, two hundred two million, one hundred twenty-three thousand, three hundred twenty-one".