2111100111023 has 8 divisors (see below), whose sum is σ = 2118780063360. Its totient is φ = 2103421344640.

The previous prime is 2111100110993. The next prime is 2111100111047. The reversal of 2111100111023 is 3201110011112.

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 2111100111023 - 2⁴⁰ = 1011588483247 is a prime.

It is a super-2 number, since 2×2111100111023² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111100110989 and 2111100111007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111100111223) 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, 3351611 + ... + 3931347.

It is an arithmetic number, because the mean of its divisors is an integer number (264847507920).

Almost surely, 2^{2111100111023} is an apocalyptic number.

2111100111023 is a deficient number, since it is larger than the sum of its proper divisors (7679952337).

2111100111023 is a wasteful number, since it uses less digits than its factorization.

2111100111023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592977.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 2111100111023 its reverse (3201110011112), we get a palindrome (5312210122135).

The spelling of 2111100111023 in words is "two trillion, one hundred eleven billion, one hundred million, one hundred eleven thousand, twenty-three".