101285986117 has 2 divisors, whose sum is σ = 101285986118. Its totient is φ = 101285986116.

The previous prime is 101285986057. The next prime is 101285986129. The reversal of 101285986117 is 711689582101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93733333281 + 7552652836 = 306159^2 + 86906^2 .

It is a cyclic number.

It is not a de Polignac number, because 101285986117 - 2⁷ = 101285985989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101285986817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50642993058 + 50642993059.

It is an arithmetic number, because the mean of its divisors is an integer number (50642993059).

Almost surely, 2^101285986117 is an apocalyptic number.

It is an amenable number.

101285986117 is a deficient number, since it is larger than the sum of its proper divisors (1).

101285986117 is an equidigital number, since it uses as much as digits as its factorization.

101285986117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 49.

The spelling of 101285986117 in words is "one hundred one billion, two hundred eighty-five million, nine hundred eighty-six thousand, one hundred seventeen".