113212021121233 has 8 divisors (see below), whose sum is σ = 113226372179496. Its totient is φ = 113197670736000.

The previous prime is 113212021121209. The next prime is 113212021121237. The reversal of 113212021121233 is 332121120212311.

It can be written as a sum of positive squares in 4 ways, for example, as 55657463714449 + 57554557406784 = 7460393^2 + 7586472^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113212021121233 - 2³³ = 113203431186641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113212021121198 and 113212021121207.

It is not an unprimeable number, because it can be changed into a prime (113212021121237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392870023 + ... + 393158083.

It is an arithmetic number, because the mean of its divisors is an integer number (14153296522437).

Almost surely, 2^{113212021121233} is an apocalyptic number.

It is an amenable number.

113212021121233 is a deficient number, since it is larger than the sum of its proper divisors (14351058263).

113212021121233 is a wasteful number, since it uses less digits than its factorization.

113212021121233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336515.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 113212021121233 its reverse (332121120212311), we get a palindrome (445333141333544).

The spelling of 113212021121233 in words is "one hundred thirteen trillion, two hundred twelve billion, twenty-one million, one hundred twenty-one thousand, two hundred thirty-three".