1110212989 has 2 divisors, whose sum is σ = 1110212990. Its totient is φ = 1110212988.

The previous prime is 1110212947. The next prime is 1110213023. The reversal of 1110212989 is 9892120111.

It is an a-pointer prime, because the next prime (1110213023) can be obtained adding 1110212989 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 667447225 + 442765764 = 25835^2 + 21042^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110212989 - 2¹⁵ = 1110180221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1117212989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555106494 + 555106495.

It is an arithmetic number, because the mean of its divisors is an integer number (555106495).

Almost surely, 2^1110212989 is an apocalyptic number.

It is an amenable number.

1110212989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110212989 is an equidigital number, since it uses as much as digits as its factorization.

1110212989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 34.

The square root of 1110212989 is about 33319.8587782121. The cubic root of 1110212989 is about 1035.4650260047.

The spelling of 1110212989 in words is "one billion, one hundred ten million, two hundred twelve thousand, nine hundred eighty-nine".