1111131422103 has 4 divisors (see below), whose sum is σ = 1481508562808. Its totient is φ = 740754281400.

The previous prime is 1111131422101. The next prime is 1111131422111. The reversal of 1111131422103 is 3012241311111.

It is a happy number.

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

It is not a de Polignac number, because 1111131422103 - 2¹ = 1111131422101 is a prime.

It is a super-2 number, since 2×1111131422103² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111131422103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111131422101) 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 in 3 ways as a sum of consecutive naturals, for example, 185188570348 + ... + 185188570353.

It is an arithmetic number, because the mean of its divisors is an integer number (370377140702).

Almost surely, 2^{1111131422103} is an apocalyptic number.

1111131422103 is a deficient number, since it is larger than the sum of its proper divisors (370377140705).

1111131422103 is an equidigital number, since it uses as much as digits as its factorization.

1111131422103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370377140704.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 1111131422103 its reverse (3012241311111), we get a palindrome (4123372733214).

The spelling of 1111131422103 in words is "one trillion, one hundred eleven billion, one hundred thirty-one million, four hundred twenty-two thousand, one hundred three".