111101202103 has 2 divisors, whose sum is σ = 111101202104. Its totient is φ = 111101202102.

The previous prime is 111101202101. The next prime is 111101202109. The reversal of 111101202103 is 301202101111.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (301202101111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111101202103 - 2¹ = 111101202101 is a prime.

Together with 111101202101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111101202101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550601051 + 55550601052.

It is an arithmetic number, because the mean of its divisors is an integer number (55550601052).

Almost surely, 2^111101202103 is an apocalyptic number.

111101202103 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101202103 is an equidigital number, since it uses as much as digits as its factorization.

111101202103 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 13.

Adding to 111101202103 its reverse (301202101111), we get a palindrome (412303303214).

The spelling of 111101202103 in words is "one hundred eleven billion, one hundred one million, two hundred two thousand, one hundred three".