10110220121987 has 2 divisors, whose sum is σ = 10110220121988. Its totient is φ = 10110220121986.

The previous prime is 10110220121971. The next prime is 10110220122043. The reversal of 10110220121987 is 78912102201101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10110220121987 - 2⁴ = 10110220121971 is a prime.

It is not a weakly prime, because it can be changed into another prime (10110220121087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055110060993 + 5055110060994.

It is an arithmetic number, because the mean of its divisors is an integer number (5055110060994).

Almost surely, 2^{10110220121987} is an apocalyptic number.

10110220121987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10110220121987 is an equidigital number, since it uses as much as digits as its factorization.

10110220121987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 35.

The spelling of 10110220121987 in words is "ten trillion, one hundred ten billion, two hundred twenty million, one hundred twenty-one thousand, nine hundred eighty-seven".