40112021113 has 2 divisors, whose sum is σ = 40112021114. Its totient is φ = 40112021112.

The previous prime is 40112021087. The next prime is 40112021149. The reversal of 40112021113 is 31112021104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39484869264 + 627151849 = 198708^2 + 25043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40112021113 is a prime.

It is not a weakly prime, because it can be changed into another prime (40112061113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20056010556 + 20056010557.

It is an arithmetic number, because the mean of its divisors is an integer number (20056010557).

Almost surely, 2^40112021113 is an apocalyptic number.

It is an amenable number.

40112021113 is a deficient number, since it is larger than the sum of its proper divisors (1).

40112021113 is an equidigital number, since it uses as much as digits as its factorization.

40112021113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 40112021113 its reverse (31112021104), we get a palindrome (71224042217).

Subtracting from 40112021113 its reverse (31112021104), we obtain a palindrome (9000000009).

The spelling of 40112021113 in words is "forty billion, one hundred twelve million, twenty-one thousand, one hundred thirteen".