113011323221 has 2 divisors, whose sum is σ = 113011323222. Its totient is φ = 113011323220.

The previous prime is 113011323211. The next prime is 113011323251. The reversal of 113011323221 is 122323110311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62255739121 + 50755584100 = 249511^2 + 225290^2 .

It is a cyclic number.

It is not a de Polignac number, because 113011323221 - 2⁶ = 113011323157 is a prime.

It is a super-2 number, since 2×113011323221² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113011323193 and 113011323202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113011323211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56505661610 + 56505661611.

It is an arithmetic number, because the mean of its divisors is an integer number (56505661611).

Almost surely, 2^113011323221 is an apocalyptic number.

It is an amenable number.

113011323221 is a deficient number, since it is larger than the sum of its proper divisors (1).

113011323221 is an equidigital number, since it uses as much as digits as its factorization.

113011323221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 113011323221 its reverse (122323110311), we get a palindrome (235334433532).

The spelling of 113011323221 in words is "one hundred thirteen billion, eleven million, three hundred twenty-three thousand, two hundred twenty-one".