111102644399941 has 2 divisors, whose sum is σ = 111102644399942. Its totient is φ = 111102644399940.

The previous prime is 111102644399933. The next prime is 111102644400049. The reversal of 111102644399941 is 149993446201111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69033747909025 + 42068896490916 = 8308655^2 + 6486054^2 .

It is a cyclic number.

It is not a de Polignac number, because 111102644399941 - 2³ = 111102644399933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111102644399921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55551322199970 + 55551322199971.

It is an arithmetic number, because the mean of its divisors is an integer number (55551322199971).

Almost surely, 2^{111102644399941} is an apocalyptic number.

It is an amenable number.

111102644399941 is a deficient number, since it is larger than the sum of its proper divisors (1).

111102644399941 is an equidigital number, since it uses as much as digits as its factorization.

111102644399941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The spelling of 111102644399941 in words is "one hundred eleven trillion, one hundred two billion, six hundred forty-four million, three hundred ninety-nine thousand, nine hundred forty-one".