113042112023021 has 2 divisors, whose sum is σ = 113042112023022. Its totient is φ = 113042112023020.

The previous prime is 113042112022993. The next prime is 113042112023053. The reversal of 113042112023021 is 120320211240311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110750261202025 + 2291850820996 = 10523795^2 + 1513886^2 .

It is an emirp because it is prime and its reverse (120320211240311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113042112023021 is a prime.

It is a super-3 number, since 3×113042112023021³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113042112023921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56521056011510 + 56521056011511.

It is an arithmetic number, because the mean of its divisors is an integer number (56521056011511).

Almost surely, 2^{113042112023021} is an apocalyptic number.

It is an amenable number.

113042112023021 is a deficient number, since it is larger than the sum of its proper divisors (1).

113042112023021 is an equidigital number, since it uses as much as digits as its factorization.

113042112023021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 113042112023021 its reverse (120320211240311), we get a palindrome (233362323263332).

The spelling of 113042112023021 in words is "one hundred thirteen trillion, forty-two billion, one hundred twelve million, twenty-three thousand, twenty-one".