2122013220113 has 4 divisors (see below), whose sum is σ = 2122055025588. Its totient is φ = 2121971414640.

The previous prime is 2122013220049. The next prime is 2122013220149. The reversal of 2122013220113 is 3110223102212.

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 1608881685889 + 513131534224 = 1268417^2 + 716332^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122013220113 - 2⁶ = 2122013220049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122013220193) 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 3 ways as a sum of consecutive naturals, for example, 20826506 + ... + 20928147.

It is an arithmetic number, because the mean of its divisors is an integer number (530513756397).

Almost surely, 2^{2122013220113} is an apocalyptic number.

It is an amenable number.

2122013220113 is a deficient number, since it is larger than the sum of its proper divisors (41805475).

2122013220113 is an equidigital number, since it uses as much as digits as its factorization.

2122013220113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41805474.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2122013220113 its reverse (3110223102212), we get a palindrome (5232236322325).

The spelling of 2122013220113 in words is "two trillion, one hundred twenty-two billion, thirteen million, two hundred twenty thousand, one hundred thirteen".