100020222208987 has 2 divisors, whose sum is σ = 100020222208988. Its totient is φ = 100020222208986.

The previous prime is 100020222208969. The next prime is 100020222209021. The reversal of 100020222208987 is 789802222020001.

It is a weak prime.

It is an emirp because it is prime and its reverse (789802222020001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100020222208987 is a prime.

It is not a weakly prime, because it can be changed into another prime (100020228208987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010111104493 + 50010111104494.

It is an arithmetic number, because the mean of its divisors is an integer number (50010111104494).

Almost surely, 2^{100020222208987} is an apocalyptic number.

100020222208987 is a deficient number, since it is larger than the sum of its proper divisors (1).

100020222208987 is an equidigital number, since it uses as much as digits as its factorization.

100020222208987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 43.

Adding to 100020222208987 its reverse (789802222020001), we get a palindrome (889822444228988).

The spelling of 100020222208987 in words is "one hundred trillion, twenty billion, two hundred twenty-two million, two hundred eight thousand, nine hundred eighty-seven".