101031122987 has 2 divisors, whose sum is σ = 101031122988. Its totient is φ = 101031122986.

The previous prime is 101031122897. The next prime is 101031123001. The reversal of 101031122987 is 789221130101.

Together with previous prime (101031122897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (789221130101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101031122987 - 2¹⁰ = 101031121963 is a prime.

It is not a weakly prime, because it can be changed into another prime (101031122887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50515561493 + 50515561494.

It is an arithmetic number, because the mean of its divisors is an integer number (50515561494).

Almost surely, 2^101031122987 is an apocalyptic number.

101031122987 is a deficient number, since it is larger than the sum of its proper divisors (1).

101031122987 is an equidigital number, since it uses as much as digits as its factorization.

101031122987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 35.

The spelling of 101031122987 in words is "one hundred one billion, thirty-one million, one hundred twenty-two thousand, nine hundred eighty-seven".