1111222103 has 4 divisors (see below), whose sum is σ = 1111291368. Its totient is φ = 1111152840.

The previous prime is 1111222097. The next prime is 1111222117. The reversal of 1111222103 is 3012221111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1111222103 - 2¹² = 1111218007 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 (1111222193) 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, 3233 + ... + 47253.

It is an arithmetic number, because the mean of its divisors is an integer number (277822842).

Almost surely, 2^1111222103 is an apocalyptic number.

1111222103 is a deficient number, since it is larger than the sum of its proper divisors (69265).

1111222103 is an equidigital number, since it uses as much as digits as its factorization.

1111222103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69264.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1111222103 is about 33334.9981700914. The cubic root of 1111222103 is about 1035.7786552635.

Adding to 1111222103 its reverse (3012221111), we get a palindrome (4123443214).

The spelling of 1111222103 in words is "one billion, one hundred eleven million, two hundred twenty-two thousand, one hundred three".