4202201550421 has 8 divisors (see below), whose sum is σ = 4802646140864. Its totient is φ = 3601789480800.

The previous prime is 4202201550401. The next prime is 4202201550457. The reversal of 4202201550421 is 1240551022024.

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 4202201550421 - 2¹¹ = 4202201548373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4202201550421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202201550401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7852680 + ... + 8370721.

It is an arithmetic number, because the mean of its divisors is an integer number (600330767608).

Almost surely, 2^{4202201550421} is an apocalyptic number.

It is an amenable number.

4202201550421 is a deficient number, since it is larger than the sum of its proper divisors (600444590443).

4202201550421 is a wasteful number, since it uses less digits than its factorization.

4202201550421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16260411.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 4202201550421 its reverse (1240551022024), we get a palindrome (5442752572445).

The spelling of 4202201550421 in words is "four trillion, two hundred two billion, two hundred one million, five hundred fifty thousand, four hundred twenty-one".