101000112209989 has 2 divisors, whose sum is σ = 101000112209990. Its totient is φ = 101000112209988.

The previous prime is 101000112209963. The next prime is 101000112210071. The reversal of 101000112209989 is 989902211000101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96258997901889 + 4741114308100 = 9811167^2 + 2177410^2 .

It is a cyclic number.

It is not a de Polignac number, because 101000112209989 - 2⁵ = 101000112209957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101000112206989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500056104994 + 50500056104995.

It is an arithmetic number, because the mean of its divisors is an integer number (50500056104995).

Almost surely, 2^{101000112209989} is an apocalyptic number.

It is an amenable number.

101000112209989 is a deficient number, since it is larger than the sum of its proper divisors (1).

101000112209989 is an equidigital number, since it uses as much as digits as its factorization.

101000112209989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 43.

The spelling of 101000112209989 in words is "one hundred one trillion, one hundred twelve million, two hundred nine thousand, nine hundred eighty-nine".