1421032421043 has 48 divisors (see below), whose sum is σ = 2181118482400. Its totient is φ = 914357082240.

The previous prime is 1421032421041. The next prime is 1421032421051. The reversal of 1421032421043 is 3401242301241.

1421032421043 is a `hidden beast` number, since 1 + 421 + 0 + 3 + 24 + 210 + 4 + 3 = 666.

It is not a de Polignac number, because 1421032421043 - 2¹ = 1421032421041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1421032420998 and 1421032421016.

It is not an unprimeable number, because it can be changed into a prime (1421032421041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73311213 + ... + 73330593.

Almost surely, 2^{1421032421043} is an apocalyptic number.

1421032421043 is a deficient number, since it is larger than the sum of its proper divisors (760086061357).

1421032421043 is a wasteful number, since it uses less digits than its factorization.

1421032421043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22677 (or 22642 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1421032421043 its reverse (3401242301241), we get a palindrome (4822274722284).

The spelling of 1421032421043 in words is "one trillion, four hundred twenty-one billion, thirty-two million, four hundred twenty-one thousand, forty-three".