200144101034421 has 24 divisors (see below), whose sum is σ = 298423557229824. Its totient is φ = 129124875300480.

The previous prime is 200144101034393. The next prime is 200144101034431. The reversal of 200144101034421 is 124430101441002.

200144101034421 is a `hidden beast` number, since 200 + 1 + 4 + 4 + 1 + 0 + 1 + 0 + 34 + 421 = 666.

It is not a de Polignac number, because 200144101034421 - 2¹⁵ = 200144101001653 is a prime.

It is a super-2 number, since 2×200144101034421² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200144101034431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136409110 + ... + 137868536.

It is an arithmetic number, because the mean of its divisors is an integer number (12434314884576).

Almost surely, 2^{200144101034421} is an apocalyptic number.

It is an amenable number.

200144101034421 is a deficient number, since it is larger than the sum of its proper divisors (98279456195403).

200144101034421 is a wasteful number, since it uses less digits than its factorization.

200144101034421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951001 (or 1950998 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 200144101034421 its reverse (124430101441002), we get a palindrome (324574202475423).

The spelling of 200144101034421 in words is "two hundred trillion, one hundred forty-four billion, one hundred one million, thirty-four thousand, four hundred twenty-one".