10210011121987 has 2 divisors, whose sum is σ = 10210011121988. Its totient is φ = 10210011121986.

The previous prime is 10210011121939. The next prime is 10210011122021. The reversal of 10210011121987 is 78912111001201.

It is a happy number.

It is an a-pointer prime, because the next prime (10210011122021) can be obtained adding 10210011121987 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10210011121987 - 2³¹ = 10207863638339 is a prime.

It is a super-2 number, since 2×10210011121987² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10210011121187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105005560993 + 5105005560994.

It is an arithmetic number, because the mean of its divisors is an integer number (5105005560994).

Almost surely, 2^{10210011121987} is an apocalyptic number.

10210011121987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10210011121987 is an equidigital number, since it uses as much as digits as its factorization.

10210011121987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 34.

The spelling of 10210011121987 in words is "ten trillion, two hundred ten billion, eleven million, one hundred twenty-one thousand, nine hundred eighty-seven".