4102421334421 has 8 divisors (see below), whose sum is σ = 4208643067104. Its totient is φ = 3997456663920.

The previous prime is 4102421334371. The next prime is 4102421334433. The reversal of 4102421334421 is 1244331242014.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4102421334421 - 2¹⁵ = 4102421301653 is a prime.

It is a super-2 number, since 2×4102421334421² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4102421334481) 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, 314258935 + ... + 314271988.

It is an arithmetic number, because the mean of its divisors is an integer number (526080383388).

Almost surely, 2^{4102421334421} is an apocalyptic number.

It is an amenable number.

4102421334421 is a deficient number, since it is larger than the sum of its proper divisors (106221732683).

4102421334421 is a wasteful number, since it uses less digits than its factorization.

4102421334421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628531091.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 4102421334421 its reverse (1244331242014), we get a palindrome (5346752576435).

The spelling of 4102421334421 in words is "four trillion, one hundred two billion, four hundred twenty-one million, three hundred thirty-four thousand, four hundred twenty-one".