2141121013 has 4 divisors (see below), whose sum is σ = 2142249228. Its totient is φ = 2139992800.

The previous prime is 2141121007. The next prime is 2141121019. The reversal of 2141121013 is 3101211412.

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

It is an interprime number because it is at equal distance from previous prime (2141121007) and next prime (2141121019).

It can be written as a sum of positive squares in 2 ways, for example, as 81595089 + 2059525924 = 9033^2 + 45382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2141121013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141121019) 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, 561256 + ... + 565057.

It is an arithmetic number, because the mean of its divisors is an integer number (535562307).

Almost surely, 2^2141121013 is an apocalyptic number.

It is an amenable number.

2141121013 is a deficient number, since it is larger than the sum of its proper divisors (1128215).

2141121013 is a wasteful number, since it uses less digits than its factorization.

2141121013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128214.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 2141121013 is about 46272.2488431241. The cubic root of 2141121013 is about 1288.8837193381.

Adding to 2141121013 its reverse (3101211412), we get a palindrome (5242332425).

It can be divided in two parts, 21411 and 21013, that added together give a palindrome (42424).

The spelling of 2141121013 in words is "two billion, one hundred forty-one million, one hundred twenty-one thousand, thirteen".