10021117751087 has 2 divisors, whose sum is σ = 10021117751088. Its totient is φ = 10021117751086.

The previous prime is 10021117751081. The next prime is 10021117751189. The reversal of 10021117751087 is 78015771112001.

It is a weak prime.

It is an emirp because it is prime and its reverse (78015771112001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10021117751087 - 2¹⁴ = 10021117734703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021117751081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010558875543 + 5010558875544.

It is an arithmetic number, because the mean of its divisors is an integer number (5010558875544).

Almost surely, 2^{10021117751087} is an apocalyptic number.

10021117751087 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021117751087 is an equidigital number, since it uses as much as digits as its factorization.

10021117751087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27440, while the sum is 41.

Adding to 10021117751087 its reverse (78015771112001), we get a palindrome (88036888863088).

The spelling of 10021117751087 in words is "ten trillion, twenty-one billion, one hundred seventeen million, seven hundred fifty-one thousand, eighty-seven".