113311323233221 has 2 divisors, whose sum is σ = 113311323233222. Its totient is φ = 113311323233220.

The previous prime is 113311323233191. The next prime is 113311323233233. The reversal of 113311323233221 is 122332323113311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113084380564996 + 226942668225 = 10634114^2 + 476385^2 .

It is an emirp because it is prime and its reverse (122332323113311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113311323233221 - 2¹³ = 113311323225029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113311323233261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56655661616610 + 56655661616611.

It is an arithmetic number, because the mean of its divisors is an integer number (56655661616611).

Almost surely, 2^{113311323233221} is an apocalyptic number.

It is an amenable number.

113311323233221 is a deficient number, since it is larger than the sum of its proper divisors (1).

113311323233221 is an equidigital number, since it uses as much as digits as its factorization.

113311323233221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 31.

Adding to 113311323233221 its reverse (122332323113311), we get a palindrome (235643646346532).

The spelling of 113311323233221 in words is "one hundred thirteen trillion, three hundred eleven billion, three hundred twenty-three million, two hundred thirty-three thousand, two hundred twenty-one".