100440401111 has 2 divisors, whose sum is σ = 100440401112. Its totient is φ = 100440401110.

The previous prime is 100440401101. The next prime is 100440401197. The reversal of 100440401111 is 111104044001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100440401111 - 2³⁴ = 83260531927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100440401111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100440401101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50220200555 + 50220200556.

It is an arithmetic number, because the mean of its divisors is an integer number (50220200556).

Almost surely, 2^100440401111 is an apocalyptic number.

100440401111 is a deficient number, since it is larger than the sum of its proper divisors (1).

100440401111 is an equidigital number, since it uses as much as digits as its factorization.

100440401111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100440401111 its reverse (111104044001), we get a palindrome (211544445112).

The spelling of 100440401111 in words is "one hundred billion, four hundred forty million, four hundred one thousand, one hundred eleven".