1142131211103 has 4 divisors (see below), whose sum is σ = 1522841614808. Its totient is φ = 761420807400.

The previous prime is 1142131211069. The next prime is 1142131211141. The reversal of 1142131211103 is 3011121312411.

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 1142131211103 - 2¹⁴ = 1142131194719 is a prime.

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 1142131211103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142131211203) 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, 190355201848 + ... + 190355201853.

It is an arithmetic number, because the mean of its divisors is an integer number (380710403702).

Almost surely, 2^{1142131211103} is an apocalyptic number.

1142131211103 is a deficient number, since it is larger than the sum of its proper divisors (380710403705).

1142131211103 is an equidigital number, since it uses as much as digits as its factorization.

1142131211103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380710403704.

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

Adding to 1142131211103 its reverse (3011121312411), we get a palindrome (4153252523514).

The spelling of 1142131211103 in words is "one trillion, one hundred forty-two billion, one hundred thirty-one million, two hundred eleven thousand, one hundred three".