113022233021 has 2 divisors, whose sum is σ = 113022233022. Its totient is φ = 113022233020.

The previous prime is 113022233003. The next prime is 113022233041. The reversal of 113022233021 is 120332220311.

It is an a-pointer prime, because the next prime (113022233041) can be obtained adding 113022233021 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99382562500 + 13639670521 = 315250^2 + 116789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113022233021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113022232984 and 113022233002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113022233041) 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 as a sum of consecutive naturals, namely, 56511116510 + 56511116511.

It is an arithmetic number, because the mean of its divisors is an integer number (56511116511).

Almost surely, 2^113022233021 is an apocalyptic number.

It is an amenable number.

113022233021 is a deficient number, since it is larger than the sum of its proper divisors (1).

113022233021 is an equidigital number, since it uses as much as digits as its factorization.

113022233021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 113022233021 its reverse (120332220311), we get a palindrome (233354453332).

The spelling of 113022233021 in words is "one hundred thirteen billion, twenty-two million, two hundred thirty-three thousand, twenty-one".