113212112021023 has 16 divisors (see below), whose sum is σ = 119181919477824. Its totient is φ = 107398807338240.

The previous prime is 113212112020957. The next prime is 113212112021093. The reversal of 113212112021023 is 320120211212311.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113212112021023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113212112020985 and 113212112021003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113212112021093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20782140 + ... + 25657777.

It is an arithmetic number, because the mean of its divisors is an integer number (7448869967364).

Almost surely, 2^{113212112021023} is an apocalyptic number.

113212112021023 is a deficient number, since it is larger than the sum of its proper divisors (5969807456801).

113212112021023 is a wasteful number, since it uses less digits than its factorization.

113212112021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46441602.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 113212112021023 its reverse (320120211212311), we get a palindrome (433332323233334).

The spelling of 113212112021023 in words is "one hundred thirteen trillion, two hundred twelve billion, one hundred twelve million, twenty-one thousand, twenty-three".