2141314121 has 4 divisors (see below), whose sum is σ = 2141406672. Its totient is φ = 2141221572.

The previous prime is 2141314103. The next prime is 2141314139. The reversal of 2141314121 is 1214131412.

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, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (2141314103) and next prime (2141314139).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2141314121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2141314093 and 2141314102.

It is not an unprimeable number, because it can be changed into a prime (2141314141) 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, 22766 + ... + 69288.

It is an arithmetic number, because the mean of its divisors is an integer number (535351668).

Almost surely, 2^2141314121 is an apocalyptic number.

It is an amenable number.

2141314121 is a deficient number, since it is larger than the sum of its proper divisors (92551).

2141314121 is an equidigital number, since it uses as much as digits as its factorization.

2141314121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92550.

The product of its digits is 192, while the sum is 20.

The square root of 2141314121 is about 46274.3354463357. The cubic root of 2141314121 is about 1288.9224663735.

Adding to 2141314121 its reverse (1214131412), we get a palindrome (3355445533).

The spelling of 2141314121 in words is "two billion, one hundred forty-one million, three hundred fourteen thousand, one hundred twenty-one".