2011312001103 has 8 divisors (see below), whose sum is σ = 2727202713600. Its totient is φ = 1318147978008.

The previous prime is 2011312001099. The next prime is 2011312001123. The reversal of 2011312001103 is 3011002131102.

It is a happy number.

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

It is not a de Polignac number, because 2011312001103 - 2² = 2011312001099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011312001123) 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 7 ways as a sum of consecutive naturals, for example, 5681672143 + ... + 5681672496.

It is an arithmetic number, because the mean of its divisors is an integer number (340900339200).

Almost surely, 2^{2011312001103} is an apocalyptic number.

2011312001103 is a deficient number, since it is larger than the sum of its proper divisors (715890712497).

2011312001103 is a wasteful number, since it uses less digits than its factorization.

2011312001103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11363344701.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2011312001103 its reverse (3011002131102), we get a palindrome (5022314132205).

The spelling of 2011312001103 in words is "two trillion, eleven billion, three hundred twelve million, one thousand, one hundred three".