111204424385101 has 2 divisors, whose sum is σ = 111204424385102. Its totient is φ = 111204424385100.

The previous prime is 111204424385081. The next prime is 111204424385123. The reversal of 111204424385101 is 101583424402111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109125204582601 + 2079219802500 = 10446301^2 + 1441950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111204424385101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111204424325101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55602212192550 + 55602212192551.

It is an arithmetic number, because the mean of its divisors is an integer number (55602212192551).

Almost surely, 2^{111204424385101} is an apocalyptic number.

It is an amenable number.

111204424385101 is a deficient number, since it is larger than the sum of its proper divisors (1).

111204424385101 is an equidigital number, since it uses as much as digits as its factorization.

111204424385101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 37.

Adding to 111204424385101 its reverse (101583424402111), we get a palindrome (212787848787212).

The spelling of 111204424385101 in words is "one hundred eleven trillion, two hundred four billion, four hundred twenty-four million, three hundred eighty-five thousand, one hundred one".