2111031111013 has 8 divisors (see below), whose sum is σ = 2303193814560. Its totient is φ = 1918910204880.

The previous prime is 2111031111011. The next prime is 2111031111017. The reversal of 2111031111013 is 3101111301112.

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

It is a cyclic number.

It is not a de Polignac number, because 2111031111013 - 2¹ = 2111031111011 is a prime.

It is a super-2 number, since 2×2111031111013² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111031111011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10343698 + ... + 10545811.

It is an arithmetic number, because the mean of its divisors is an integer number (287899226820).

Almost surely, 2^{2111031111013} is an apocalyptic number.

It is an amenable number.

2111031111013 is a deficient number, since it is larger than the sum of its proper divisors (192162703547).

2111031111013 is a wasteful number, since it uses less digits than its factorization.

2111031111013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20898707.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 2111031111013 its reverse (3101111301112), we get a palindrome (5212142412125).

The spelling of 2111031111013 in words is "two trillion, one hundred eleven billion, thirty-one million, one hundred eleven thousand, thirteen".