1010120010989 has 2 divisors, whose sum is σ = 1010120010990. Its totient is φ = 1010120010988.

The previous prime is 1010120010979. The next prime is 1010120010997. The reversal of 1010120010989 is 9890100210101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 645358368964 + 364761642025 = 803342^2 + 603955^2 .

It is an emirp because it is prime and its reverse (9890100210101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010120010989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010120010929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505060005494 + 505060005495.

It is an arithmetic number, because the mean of its divisors is an integer number (505060005495).

Almost surely, 2^{1010120010989} is an apocalyptic number.

It is an amenable number.

1010120010989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010120010989 is an equidigital number, since it uses as much as digits as its factorization.

1010120010989 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 1010120010989 in words is "one trillion, ten billion, one hundred twenty million, ten thousand, nine hundred eighty-nine".