2122111100113 has 4 divisors (see below), whose sum is σ = 2122170857908. Its totient is φ = 2122051342320.

The previous prime is 2122111100111. The next prime is 2122111100143. The reversal of 2122111100113 is 3110011112212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48606139024 + 2073504961089 = 220468^2 + 1439967^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122111100113 - 2¹ = 2122111100111 is a prime.

It is a super-2 number, since 2×2122111100113² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122111100111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29825598 + ... + 29896663.

It is an arithmetic number, because the mean of its divisors is an integer number (530542714477).

Almost surely, 2^{2122111100113} is an apocalyptic number.

It is an amenable number.

2122111100113 is a deficient number, since it is larger than the sum of its proper divisors (59757795).

2122111100113 is an equidigital number, since it uses as much as digits as its factorization.

2122111100113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59757794.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 2122111100113 its reverse (3110011112212), we get a palindrome (5232122212325).

The spelling of 2122111100113 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, one hundred thousand, one hundred thirteen".