101201001000989 has 2 divisors, whose sum is σ = 101201001000990. Its totient is φ = 101201001000988.

The previous prime is 101201001000941. The next prime is 101201001001129. The reversal of 101201001000989 is 989000100102101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53124666636889 + 48076334364100 = 7288667^2 + 6933710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101201001000989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101201001000919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600500500494 + 50600500500495.

It is an arithmetic number, because the mean of its divisors is an integer number (50600500500495).

Almost surely, 2^{101201001000989} is an apocalyptic number.

It is an amenable number.

101201001000989 is a deficient number, since it is larger than the sum of its proper divisors (1).

101201001000989 is an equidigital number, since it uses as much as digits as its factorization.

101201001000989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 101201001000989 in words is "one hundred one trillion, two hundred one billion, one million, nine hundred eighty-nine", and thus it is an aban number.