2101111413 has 16 divisors (see below), whose sum is σ = 3003828480. Its totient is φ = 1301654016.

The previous prime is 2101111391. The next prime is 2101111417. The reversal of 2101111413 is 3141111012.

It is not a de Polignac number, because 2101111413 - 2⁵ = 2101111381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101111392 and 2101111401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101111417) 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 15 ways as a sum of consecutive naturals, for example, 256720 + ... + 264777.

It is an arithmetic number, because the mean of its divisors is an integer number (187739280).

Almost surely, 2^2101111413 is an apocalyptic number.

It is an amenable number.

2101111413 is a deficient number, since it is larger than the sum of its proper divisors (902717067).

2101111413 is a wasteful number, since it uses less digits than its factorization.

2101111413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521596.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 2101111413 is about 45837.8818555134. The cubic root of 2101111413 is about 1280.8050382133.

Adding to 2101111413 its reverse (3141111012), we get a palindrome (5242222425).

The spelling of 2101111413 in words is "two billion, one hundred one million, one hundred eleven thousand, four hundred thirteen".