111012100102187 has 2 divisors, whose sum is σ = 111012100102188. Its totient is φ = 111012100102186.

The previous prime is 111012100102093. The next prime is 111012100102307. The reversal of 111012100102187 is 781201001210111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111012100102187 - 2¹⁸ = 111012099840043 is a prime.

It is not a weakly prime, because it can be changed into another prime (111012100102087) 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, 55506050051093 + 55506050051094.

It is an arithmetic number, because the mean of its divisors is an integer number (55506050051094).

Almost surely, 2^{111012100102187} is an apocalyptic number.

111012100102187 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012100102187 is an equidigital number, since it uses as much as digits as its factorization.

111012100102187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 26.

Adding to 111012100102187 its reverse (781201001210111), we get a palindrome (892213101312298).

The spelling of 111012100102187 in words is "one hundred eleven trillion, twelve billion, one hundred million, one hundred two thousand, one hundred eighty-seven".