1103320021012 has 24 divisors (see below), whose sum is σ = 2121491746080. Its totient is φ = 497901118560.

The previous prime is 1103320021009. The next prime is 1103320021021. The reversal of 1103320021012 is 2101200233011.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 90193363 + ... + 90205594.

It is an arithmetic number, because the mean of its divisors is an integer number (88395489420).

Almost surely, 2^{1103320021012} is an apocalyptic number.

It is an amenable number.

1103320021012 is a deficient number, since it is larger than the sum of its proper divisors (1018171725068).

1103320021012 is a wasteful number, since it uses less digits than its factorization.

1103320021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180399111 (or 180399109 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1103320021012 its reverse (2101200233011), we get a palindrome (3204520254023).

The spelling of 1103320021012 in words is "one trillion, one hundred three billion, three hundred twenty million, twenty-one thousand, twelve".