2120211013 has 8 divisors (see below), whose sum is σ = 2157626016. Its totient is φ = 2083078800.

The previous prime is 2120211011. The next prime is 2120211043. The reversal of 2120211013 is 3101120212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120211013 - 2¹ = 2120211011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120210984 and 2120211002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120211011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55543 + ... + 85588.

It is an arithmetic number, because the mean of its divisors is an integer number (269703252).

Almost surely, 2^2120211013 is an apocalyptic number.

It is an amenable number.

2120211013 is a deficient number, since it is larger than the sum of its proper divisors (37415003).

2120211013 is a wasteful number, since it uses less digits than its factorization.

2120211013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141395.

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

The square root of 2120211013 is about 46045.7491306201. The cubic root of 2120211013 is about 1284.6742779934.

Adding to 2120211013 its reverse (3101120212), we get a palindrome (5221331225).

The spelling of 2120211013 in words is "two billion, one hundred twenty million, two hundred eleven thousand, thirteen".