2102320023111 has 48 divisors (see below), whose sum is σ = 3985259216640. Its totient is φ = 1034634591360.

The previous prime is 2102320023103. The next prime is 2102320023113. The reversal of 2102320023111 is 1113200232012.

2102320023111 is a `hidden beast` number, since 2 + 102 + 320 + 0 + 231 + 11 = 666.

It is not a de Polignac number, because 2102320023111 - 2³ = 2102320023103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102320023113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79819750 + ... + 79846083.

It is an arithmetic number, because the mean of its divisors is an integer number (83026233680).

Almost surely, 2^{2102320023111} is an apocalyptic number.

2102320023111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2102320023111 is a deficient number, since it is larger than the sum of its proper divisors (1882939193529).

2102320023111 is a wasteful number, since it uses less digits than its factorization.

2102320023111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159665876 (or 159665873 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2102320023111 its reverse (1113200232012), we get a palindrome (3215520255123).

The spelling of 2102320023111 in words is "two trillion, one hundred two billion, three hundred twenty million, twenty-three thousand, one hundred eleven".