421021402401411 has 12 divisors (see below), whose sum is σ = 695019457932592. Its totient is φ = 240583658515056.

The previous prime is 421021402401401. The next prime is 421021402401421. The reversal of 421021402401411 is 114104204120124.

421021402401411 is a `hidden beast` number, since 4 + 2 + 1 + 0 + 2 + 1 + 4 + 0 + 240 + 1 + 411 = 666.

It is an interprime number because it is at equal distance from previous prime (421021402401401) and next prime (421021402401421).

It is not a de Polignac number, because 421021402401411 - 2¹⁹ = 421021401877123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421021402401401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3341439701536 + ... + 3341439701661.

Almost surely, 2^{421021402401411} is an apocalyptic number.

421021402401411 is a deficient number, since it is larger than the sum of its proper divisors (273998055531181).

421021402401411 is a wasteful number, since it uses less digits than its factorization.

421021402401411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6682879403210 (or 6682879403207 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

Adding to 421021402401411 its reverse (114104204120124), we get a palindrome (535125606521535).

The spelling of 421021402401411 in words is "four hundred twenty-one trillion, twenty-one billion, four hundred two million, four hundred one thousand, four hundred eleven".