1121012010103 has 4 divisors (see below), whose sum is σ = 1121014838008. Its totient is φ = 1121009182200.

The previous prime is 1121012009989. The next prime is 1121012010127. The reversal of 1121012010103 is 3010102101211.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121012010103 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 (1121012010163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698748 + ... + 1652353.

It is an arithmetic number, because the mean of its divisors is an integer number (280253709502).

Almost surely, 2^{1121012010103} is an apocalyptic number.

1121012010103 is a deficient number, since it is larger than the sum of its proper divisors (2827905).

1121012010103 is an equidigital number, since it uses as much as digits as its factorization.

1121012010103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2827904.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1121012010103 its reverse (3010102101211), we get a palindrome (4131114111314).

The spelling of 1121012010103 in words is "one trillion, one hundred twenty-one billion, twelve million, ten thousand, one hundred three".