102141012989 has 2 divisors, whose sum is σ = 102141012990. Its totient is φ = 102141012988.

The previous prime is 102141012983. The next prime is 102141013069. The reversal of 102141012989 is 989210141201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101304068089 + 836944900 = 318283^2 + 28930^2 .

It is an emirp because it is prime and its reverse (989210141201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102141012989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102141012983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51070506494 + 51070506495.

It is an arithmetic number, because the mean of its divisors is an integer number (51070506495).

Almost surely, 2^102141012989 is an apocalyptic number.

It is an amenable number.

102141012989 is a deficient number, since it is larger than the sum of its proper divisors (1).

102141012989 is an equidigital number, since it uses as much as digits as its factorization.

102141012989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 38.

The spelling of 102141012989 in words is "one hundred two billion, one hundred forty-one million, twelve thousand, nine hundred eighty-nine".