2120110213 has 4 divisors (see below), whose sum is σ = 2283195628. Its totient is φ = 1957024800.

The previous prime is 2120110199. The next prime is 2120110219. The reversal of 2120110213 is 3120110212.

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 239847169 + 1880263044 = 15487^2 + 43362^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120110213 - 2⁹ = 2120109701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 163085401 = 2120110213 / (2 + 1 + 2 + 0 + 1 + 1 + 0 + 2 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120110193 and 2120110202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120110219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81542688 + ... + 81542713.

It is an arithmetic number, because the mean of its divisors is an integer number (570798907).

Almost surely, 2^2120110213 is an apocalyptic number.

It is an amenable number.

2120110213 is a deficient number, since it is larger than the sum of its proper divisors (163085415).

2120110213 is a wasteful number, since it uses less digits than its factorization.

2120110213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163085414.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2120110213 is about 46044.6545540305. The cubic root of 2120110213 is about 1284.6539188218.

Adding to 2120110213 its reverse (3120110212), we get a palindrome (5240220425).

Subtracting 2120110213 from its reverse (3120110212), we obtain a palindrome (999999999).

The spelling of 2120110213 in words is "two billion, one hundred twenty million, one hundred ten thousand, two hundred thirteen".