1003121220011 has 8 divisors (see below), whose sum is σ = 1014221113920. Its totient is φ = 992053269448.

The previous prime is 1003121219959. The next prime is 1003121220029. The reversal of 1003121220011 is 1100221213001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1003121220011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003121220041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7922681 + ... + 8048298.

It is an arithmetic number, because the mean of its divisors is an integer number (126777639240).

Almost surely, 2^{1003121220011} is an apocalyptic number.

1003121220011 is a deficient number, since it is larger than the sum of its proper divisors (11099893909).

1003121220011 is a wasteful number, since it uses less digits than its factorization.

1003121220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15971673.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1003121220011 its reverse (1100221213001), we get a palindrome (2103342433012).

The spelling of 1003121220011 in words is "one trillion, three billion, one hundred twenty-one million, two hundred twenty thousand, eleven".