2143411001421 has 8 divisors (see below), whose sum is σ = 2857892418144. Its totient is φ = 1428935126160.

The previous prime is 2143411001419. The next prime is 2143411001573. The reversal of 2143411001421 is 1241001143412.

It is a happy number.

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

It is not a de Polignac number, because 2143411001421 - 2¹ = 2143411001419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2143411001391 and 2143411001400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143411003421) 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, 378250 + ... + 2104731.

It is an arithmetic number, because the mean of its divisors is an integer number (357236552268).

Almost surely, 2^{2143411001421} is an apocalyptic number.

It is an amenable number.

2143411001421 is a deficient number, since it is larger than the sum of its proper divisors (714481416723).

2143411001421 is a wasteful number, since it uses less digits than its factorization.

2143411001421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770731.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 2143411001421 its reverse (1241001143412), we get a palindrome (3384412144833).

The spelling of 2143411001421 in words is "two trillion, one hundred forty-three billion, four hundred eleven million, one thousand, four hundred twenty-one".