2141103421 has 4 divisors (see below), whose sum is σ = 2141800992. Its totient is φ = 2140405852.

The previous prime is 2141103413. The next prime is 2141103449. The reversal of 2141103421 is 1243011412.

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 2141103421 - 2³ = 2141103413 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 (2141103401) 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, 344161 + ... + 350326.

It is an arithmetic number, because the mean of its divisors is an integer number (535450248).

Almost surely, 2^2141103421 is an apocalyptic number.

It is an amenable number.

2141103421 is a deficient number, since it is larger than the sum of its proper divisors (697571).

2141103421 is an equidigital number, since it uses as much as digits as its factorization.

2141103421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697570.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2141103421 is about 46272.0587503949. The cubic root of 2141103421 is about 1288.8801893952.

Adding to 2141103421 its reverse (1243011412), we get a palindrome (3384114833).

The spelling of 2141103421 in words is "two billion, one hundred forty-one million, one hundred three thousand, four hundred twenty-one".