200203123222021 has 8 divisors (see below), whose sum is σ = 201544083939744. Its totient is φ = 198863537147280.

The previous prime is 200203123221949. The next prime is 200203123222061. The reversal of 200203123222021 is 120222321302002.

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 200203123222021 - 2⁹ = 200203123221509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200203123221983 and 200203123222001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200203123222061) 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, 343368490 + ... + 343951051.

It is an arithmetic number, because the mean of its divisors is an integer number (25193010492468).

Almost surely, 2^{200203123222021} is an apocalyptic number.

It is an amenable number.

200203123222021 is a deficient number, since it is larger than the sum of its proper divisors (1340960717723).

200203123222021 is a wasteful number, since it uses less digits than its factorization.

200203123222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687321491.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 200203123222021 its reverse (120222321302002), we get a palindrome (320425444524023).

The spelling of 200203123222021 in words is "two hundred trillion, two hundred three billion, one hundred twenty-three million, two hundred twenty-two thousand, twenty-one".