10021230187 has 2 divisors, whose sum is σ = 10021230188. Its totient is φ = 10021230186.

The previous prime is 10021230151. The next prime is 10021230217. The reversal of 10021230187 is 78103212001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10021230187 - 2³¹ = 7873746539 is a prime.

It is not a weakly prime, because it can be changed into another prime (10021230787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010615093 + 5010615094.

It is an arithmetic number, because the mean of its divisors is an integer number (5010615094).

Almost surely, 2^10021230187 is an apocalyptic number.

10021230187 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021230187 is an equidigital number, since it uses as much as digits as its factorization.

10021230187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 10021230187 its reverse (78103212001), we get a palindrome (88124442188).

The spelling of 10021230187 in words is "ten billion, twenty-one million, two hundred thirty thousand, one hundred eighty-seven".