11112222103 has 4 divisors (see below), whose sum is σ = 11113907560. Its totient is φ = 11110536648.

The previous prime is 11112222097. The next prime is 11112222119. The reversal of 11112222103 is 30122221111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11112222103 - 2¹³ = 11112213911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112222203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832800 + ... + 846037.

It is an arithmetic number, because the mean of its divisors is an integer number (2778476890).

Almost surely, 2^11112222103 is an apocalyptic number.

11112222103 is a deficient number, since it is larger than the sum of its proper divisors (1685457).

11112222103 is an equidigital number, since it uses as much as digits as its factorization.

11112222103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685456.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11112222103 its reverse (30122221111), we get a palindrome (41234443214).

It can be divided in two parts, 111122 and 22103, that added together give a square (133225 = 365²).

The spelling of 11112222103 in words is "eleven billion, one hundred twelve million, two hundred twenty-two thousand, one hundred three".