2111103289 has 2 divisors, whose sum is σ = 2111103290. Its totient is φ = 2111103288.

The previous prime is 2111103199. The next prime is 2111103353. The reversal of 2111103289 is 9823011112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1378859689 + 732243600 = 37133^2 + 27060^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111103289 - 2¹¹ = 2111101241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111100289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055551644 + 1055551645.

It is an arithmetic number, because the mean of its divisors is an integer number (1055551645).

Almost surely, 2^2111103289 is an apocalyptic number.

It is an amenable number.

2111103289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111103289 is an equidigital number, since it uses as much as digits as its factorization.

2111103289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 2111103289 is about 45946.7440522177. The cubic root of 2111103289 is about 1282.8321260340.

The spelling of 2111103289 in words is "two billion, one hundred eleven million, one hundred three thousand, two hundred eighty-nine".