111202103 has 2 divisors, whose sum is σ = 111202104. Its totient is φ = 111202102.

The previous prime is 111202087. The next prime is 111202121. The reversal of 111202103 is 301202111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111202103 - 2⁴ = 111202087 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111202163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55601051 + 55601052.

It is an arithmetic number, because the mean of its divisors is an integer number (55601052).

Almost surely, 2^111202103 is an apocalyptic number.

111202103 is a deficient number, since it is larger than the sum of its proper divisors (1).

111202103 is an equidigital number, since it uses as much as digits as its factorization.

111202103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 111202103 is about 10545.2407748709. The cubic root of 111202103 is about 480.8810539747.

Adding to 111202103 its reverse (301202111), we get a palindrome (412404214).

The spelling of 111202103 in words is "one hundred eleven million, two hundred two thousand, one hundred three".