110213989 has 2 divisors, whose sum is σ = 110213990. Its totient is φ = 110213988.

The previous prime is 110213969. The next prime is 110214047. The reversal of 110213989 is 989312011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110040100 + 173889 = 10490^2 + 417^2 .

It is an emirp because it is prime and its reverse (989312011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110213989 - 2²¹ = 108116837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110213969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55106994 + 55106995.

It is an arithmetic number, because the mean of its divisors is an integer number (55106995).

Almost surely, 2^110213989 is an apocalyptic number.

It is an amenable number.

110213989 is a deficient number, since it is larger than the sum of its proper divisors (1).

110213989 is an equidigital number, since it uses as much as digits as its factorization.

110213989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 110213989 is about 10498.2850504261. The cubic root of 110213989 is about 479.4524847962.

The spelling of 110213989 in words is "one hundred ten million, two hundred thirteen thousand, nine hundred eighty-nine".