1120213123403 has 4 divisors (see below), whose sum is σ = 1222050680088. Its totient is φ = 1018375566720.

The previous prime is 1120213123349. The next prime is 1120213123439. The reversal of 1120213123403 is 3043213120211.

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

It is a cyclic number.

It is not a de Polignac number, because 1120213123403 - 2⁶ = 1120213123339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120213123483) 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 3 ways as a sum of consecutive naturals, for example, 50918778326 + ... + 50918778347.

It is an arithmetic number, because the mean of its divisors is an integer number (305512670022).

Almost surely, 2^{1120213123403} is an apocalyptic number.

1120213123403 is a deficient number, since it is larger than the sum of its proper divisors (101837556685).

1120213123403 is a wasteful number, since it uses less digits than its factorization.

1120213123403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101837556684.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1120213123403 its reverse (3043213120211), we get a palindrome (4163426243614).

The spelling of 1120213123403 in words is "one trillion, one hundred twenty billion, two hundred thirteen million, one hundred twenty-three thousand, four hundred three".