200142322444021 has 4 divisors (see below), whose sum is σ = 204400669730112. Its totient is φ = 195883975157932.

The previous prime is 200142322443997. The next prime is 200142322444063. The reversal of 200142322444021 is 120444223241002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200142322444021 - 2⁵ = 200142322443989 is a prime.

It is a super-2 number, since 2×200142322444021² (a number of 29 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 (200142322444081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2129173642975 + ... + 2129173643068.

It is an arithmetic number, because the mean of its divisors is an integer number (51100167432528).

Almost surely, 2^{200142322444021} is an apocalyptic number.

It is an amenable number.

200142322444021 is a deficient number, since it is larger than the sum of its proper divisors (4258347286091).

200142322444021 is an equidigital number, since it uses as much as digits as its factorization.

200142322444021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258347286090.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 200142322444021 its reverse (120444223241002), we get a palindrome (320586545685023).

The spelling of 200142322444021 in words is "two hundred trillion, one hundred forty-two billion, three hundred twenty-two million, four hundred forty-four thousand, twenty-one".