2120220113 has 4 divisors (see below), whose sum is σ = 2312967408. Its totient is φ = 1927472820.

The previous prime is 2120220101. The next prime is 2120220119. The reversal of 2120220113 is 3110220212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2120220113 - 2¹² = 2120216017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120220119) 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, 96373631 + ... + 96373652.

It is an arithmetic number, because the mean of its divisors is an integer number (578241852).

Almost surely, 2^2120220113 is an apocalyptic number.

It is an amenable number.

2120220113 is a deficient number, since it is larger than the sum of its proper divisors (192747295).

2120220113 is a wasteful number, since it uses less digits than its factorization.

2120220113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192747294.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2120220113 is about 46045.8479452817. The cubic root of 2120220113 is about 1284.6761159424.

Adding to 2120220113 its reverse (3110220212), we get a palindrome (5230440325).

Subtracting 2120220113 from its reverse (3110220212), we obtain a palindrome (990000099).

The spelling of 2120220113 in words is "two billion, one hundred twenty million, two hundred twenty thousand, one hundred thirteen".