1103400321242 has 16 divisors (see below), whose sum is σ = 1763201532960. Its totient is φ = 516366160272.

The previous prime is 1103400321217. The next prime is 1103400321251. The reversal of 1103400321242 is 2421230043011.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 174917633 + ... + 174923940.

It is an arithmetic number, because the mean of its divisors is an integer number (110200095810).

Almost surely, 2^{1103400321242} is an apocalyptic number.

1103400321242 is a deficient number, since it is larger than the sum of its proper divisors (659801211718).

1103400321242 is a wasteful number, since it uses less digits than its factorization.

1103400321242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349841677.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1103400321242 its reverse (2421230043011), we get a palindrome (3524630364253).

The spelling of 1103400321242 in words is "one trillion, one hundred three billion, four hundred million, three hundred twenty-one thousand, two hundred forty-two".