100102212187 has 2 divisors, whose sum is σ = 100102212188. Its totient is φ = 100102212186.

The previous prime is 100102212179. The next prime is 100102212233. The reversal of 100102212187 is 781212201001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100102212187 - 2³ = 100102212179 is a prime.

It is not a weakly prime, because it can be changed into another prime (100102212787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50051106093 + 50051106094.

It is an arithmetic number, because the mean of its divisors is an integer number (50051106094).

Almost surely, 2^100102212187 is an apocalyptic number.

100102212187 is a deficient number, since it is larger than the sum of its proper divisors (1).

100102212187 is an equidigital number, since it uses as much as digits as its factorization.

100102212187 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 25.

Adding to 100102212187 its reverse (781212201001), we get a palindrome (881314413188).

The spelling of 100102212187 in words is "one hundred billion, one hundred two million, two hundred twelve thousand, one hundred eighty-seven".