200201201021 has 8 divisors (see below), whose sum is σ = 200783016000. Its totient is φ = 199619972032.

The previous prime is 200201200993. The next prime is 200201201051. The reversal of 200201201021 is 120102102002.

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 200201201021 - 2¹⁴ = 200201184637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200201200993 and 200201201011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200201201051) 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, 542480 + ... + 833478.

It is an arithmetic number, because the mean of its divisors is an integer number (25097877000).

Almost surely, 2^200201201021 is an apocalyptic number.

It is an amenable number.

200201201021 is a deficient number, since it is larger than the sum of its proper divisors (581814979).

200201201021 is a wasteful number, since it uses less digits than its factorization.

200201201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292995.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200201201021 its reverse (120102102002), we get a palindrome (320303303023).

The spelling of 200201201021 in words is "two hundred billion, two hundred one million, two hundred one thousand, twenty-one".