1121201210103 has 24 divisors (see below), whose sum is σ = 1713997825488. Its totient is φ = 649383501312.

The previous prime is 1121201210093. The next prime is 1121201210131. The reversal of 1121201210103 is 3010121021211.

It is not a de Polignac number, because 1121201210103 - 2²⁹ = 1120664339191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121201218103) 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 in 23 ways as a sum of consecutive naturals, for example, 65033800 + ... + 65051037.

It is an arithmetic number, because the mean of its divisors is an integer number (71416576062).

Almost surely, 2^{1121201210103} is an apocalyptic number.

1121201210103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1121201210103 is a deficient number, since it is larger than the sum of its proper divisors (592796615385).

1121201210103 is a wasteful number, since it uses less digits than its factorization.

1121201210103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130084883 (or 130084870 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1121201210103 its reverse (3010121021211), we get a palindrome (4131322231314).

The spelling of 1121201210103 in words is "one trillion, one hundred twenty-one billion, two hundred one million, two hundred ten thousand, one hundred three".