200001241221 has 16 divisors (see below), whose sum is σ = 268807440384. Its totient is φ = 132264909504.

The previous prime is 200001241213. The next prime is 200001241291. The reversal of 200001241221 is 122142100002.

It is not a de Polignac number, because 200001241221 - 2³ = 200001241213 is a prime.

It is a super-3 number, since 3×200001241221³ (a number of 35 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200001241221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001241211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2850655 + ... + 2919971.

It is an arithmetic number, because the mean of its divisors is an integer number (16800465024).

Almost surely, 2^200001241221 is an apocalyptic number.

It is an amenable number.

200001241221 is a deficient number, since it is larger than the sum of its proper divisors (68806199163).

200001241221 is a wasteful number, since it uses less digits than its factorization.

200001241221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77020.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 200001241221 its reverse (122142100002), we get a palindrome (322143341223).

The spelling of 200001241221 in words is "two hundred billion, one million, two hundred forty-one thousand, two hundred twenty-one".