11222111112103 has 4 divisors (see below), whose sum is σ = 11223785810808. Its totient is φ = 11220436413400.

The previous prime is 11222111112019. The next prime is 11222111112151. The reversal of 11222111112103 is 30121111122211.

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 11222111112103 - 2³³ = 11213521177511 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 (11222111112203) 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, 837339301 + ... + 837352702.

It is an arithmetic number, because the mean of its divisors is an integer number (2805946452702).

Almost surely, 2^{11222111112103} is an apocalyptic number.

11222111112103 is a deficient number, since it is larger than the sum of its proper divisors (1674698705).

11222111112103 is an equidigital number, since it uses as much as digits as its factorization.

11222111112103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674698704.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 11222111112103 its reverse (30121111122211), we get a palindrome (41343222234314).

The spelling of 11222111112103 in words is "eleven trillion, two hundred twenty-two billion, one hundred eleven million, one hundred twelve thousand, one hundred three".