200221230001 has 8 divisors (see below), whose sum is σ = 215626756520. Its totient is φ = 184816259712.

The previous prime is 200221229993. The next prime is 200221230047. The reversal of 200221230001 is 100032122002.

It can be written as a sum of positive squares in 4 ways, for example, as 7215653025 + 193005576976 = 84945^2 + 439324^2 .

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 200221230001 - 2³ = 200221229993 is a prime.

It is a super-2 number, since 2×200221230001² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200221230901) 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, 891445 + ... + 1093213.

It is an arithmetic number, because the mean of its divisors is an integer number (26953344565).

Almost surely, 2^200221230001 is an apocalyptic number.

It is an amenable number.

200221230001 is a deficient number, since it is larger than the sum of its proper divisors (15405526519).

200221230001 is a wasteful number, since it uses less digits than its factorization.

200221230001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278115.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 200221230001 its reverse (100032122002), we get a palindrome (300253352003).

The spelling of 200221230001 in words is "two hundred billion, two hundred twenty-one million, two hundred thirty thousand, one".