100112220001187 has 2 divisors, whose sum is σ = 100112220001188. Its totient is φ = 100112220001186.

The previous prime is 100112220001177. The next prime is 100112220001201. The reversal of 100112220001187 is 781100022211001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100112220001187 is a prime.

It is not a weakly prime, because it can be changed into another prime (100112220001147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50056110000593 + 50056110000594.

It is an arithmetic number, because the mean of its divisors is an integer number (50056110000594).

Almost surely, 2^{100112220001187} is an apocalyptic number.

100112220001187 is a deficient number, since it is larger than the sum of its proper divisors (1).

100112220001187 is an equidigital number, since it uses as much as digits as its factorization.

100112220001187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 26.

Adding to 100112220001187 its reverse (781100022211001), we get a palindrome (881212242212188).

The spelling of 100112220001187 in words is "one hundred trillion, one hundred twelve billion, two hundred twenty million, one thousand, one hundred eighty-seven".