113003323021 has 2 divisors, whose sum is σ = 113003323022. Its totient is φ = 113003323020.

The previous prime is 113003323009. The next prime is 113003323087. The reversal of 113003323021 is 120323300311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97975260100 + 15028062921 = 313010^2 + 122589^2 .

It is a cyclic number.

It is not a de Polignac number, because 113003323021 - 2¹³ = 113003314829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113003323021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113003323001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56501661510 + 56501661511.

It is an arithmetic number, because the mean of its divisors is an integer number (56501661511).

Almost surely, 2^113003323021 is an apocalyptic number.

It is an amenable number.

113003323021 is a deficient number, since it is larger than the sum of its proper divisors (1).

113003323021 is an equidigital number, since it uses as much as digits as its factorization.

113003323021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 113003323021 its reverse (120323300311), we get a palindrome (233326623332).

The spelling of 113003323021 in words is "one hundred thirteen billion, three million, three hundred twenty-three thousand, twenty-one".