986990120111 has 2 divisors, whose sum is σ = 986990120112. Its totient is φ = 986990120110.

The previous prime is 986990120089. The next prime is 986990120243. The reversal of 986990120111 is 111021099689.

It is a weak prime.

It is an emirp because it is prime and its reverse (111021099689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 986990120111 - 2¹⁸ = 986989857967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986990110111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493495060055 + 493495060056.

It is an arithmetic number, because the mean of its divisors is an integer number (493495060056).

Almost surely, 2^986990120111 is an apocalyptic number.

986990120111 is a deficient number, since it is larger than the sum of its proper divisors (1).

986990120111 is an equidigital number, since it uses as much as digits as its factorization.

986990120111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 47.

The spelling of 986990120111 in words is "nine hundred eighty-six billion, nine hundred ninety million, one hundred twenty thousand, one hundred eleven".