1111200100111 has 2 divisors, whose sum is σ = 1111200100112. Its totient is φ = 1111200100110.

The previous prime is 1111200100093. The next prime is 1111200100123. The reversal of 1111200100111 is 1110010021111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111200100111 - 2³³ = 1102610165519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111200101111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555600050055 + 555600050056.

It is an arithmetic number, because the mean of its divisors is an integer number (555600050056).

Almost surely, 2^{1111200100111} is an apocalyptic number.

1111200100111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111200100111 is an equidigital number, since it uses as much as digits as its factorization.

1111200100111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1111200100111 its reverse (1110010021111), we get a palindrome (2221210121222).

The spelling of 1111200100111 in words is "one trillion, one hundred eleven billion, two hundred million, one hundred thousand, one hundred eleven".