100112121047 has 2 divisors, whose sum is σ = 100112121048. Its totient is φ = 100112121046.

The previous prime is 100112121041. The next prime is 100112121059. The reversal of 100112121047 is 740121211001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100112121047 - 2¹⁰ = 100112120023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100112121041) 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, 50056060523 + 50056060524.

It is an arithmetic number, because the mean of its divisors is an integer number (50056060524).

Almost surely, 2^100112121047 is an apocalyptic number.

100112121047 is a deficient number, since it is larger than the sum of its proper divisors (1).

100112121047 is an equidigital number, since it uses as much as digits as its factorization.

100112121047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 100112121047 its reverse (740121211001), we get a palindrome (840233332048).

The spelling of 100112121047 in words is "one hundred billion, one hundred twelve million, one hundred twenty-one thousand, forty-seven".