11231142103 has 2 divisors, whose sum is σ = 11231142104. Its totient is φ = 11231142102.

The previous prime is 11231142101. The next prime is 11231142149. The reversal of 11231142103 is 30124113211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11231142103 - 2¹ = 11231142101 is a prime.

It is a super-2 number, since 2×11231142103² (a number of 21 digits) contains 22 as substring.

Together with 11231142101, 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 (11231142101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615571051 + 5615571052.

It is an arithmetic number, because the mean of its divisors is an integer number (5615571052).

Almost surely, 2^11231142103 is an apocalyptic number.

11231142103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231142103 is an equidigital number, since it uses as much as digits as its factorization.

11231142103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11231142103 its reverse (30124113211), we get a palindrome (41355255314).

The spelling of 11231142103 in words is "eleven billion, two hundred thirty-one million, one hundred forty-two thousand, one hundred three".