111422131643741 has 2 divisors, whose sum is σ = 111422131643742. Its totient is φ = 111422131643740.

The previous prime is 111422131643663. The next prime is 111422131643749. The reversal of 111422131643741 is 147346131224111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81711728618116 + 29710403025625 = 9039454^2 + 5450725^2 .

It is a cyclic number.

It is not a de Polignac number, because 111422131643741 - 2⁴² = 107024085132637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111422131643749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55711065821870 + 55711065821871.

It is an arithmetic number, because the mean of its divisors is an integer number (55711065821871).

Almost surely, 2^{111422131643741} is an apocalyptic number.

It is an amenable number.

111422131643741 is a deficient number, since it is larger than the sum of its proper divisors (1).

111422131643741 is an equidigital number, since it uses as much as digits as its factorization.

111422131643741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

Adding to 111422131643741 its reverse (147346131224111), we get a palindrome (258768262867852).

The spelling of 111422131643741 in words is "one hundred eleven trillion, four hundred twenty-two billion, one hundred thirty-one million, six hundred forty-three thousand, seven hundred forty-one".