200221012222001 has 8 divisors (see below), whose sum is σ = 203615465709600. Its totient is φ = 196826587968160.

The previous prime is 200221012221973. The next prime is 200221012222003. The reversal of 200221012222001 is 100222210122002.

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 a de Polignac number, because none of the positive numbers 2^k-200221012222001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200221012222003) 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, 6732341 + ... + 21113181.

It is an arithmetic number, because the mean of its divisors is an integer number (25451933213700).

Almost surely, 2^{200221012222001} is an apocalyptic number.

It is an amenable number.

200221012222001 is a deficient number, since it is larger than the sum of its proper divisors (3394453487599).

200221012222001 is a wasteful number, since it uses less digits than its factorization.

200221012222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14616879.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 200221012222001 its reverse (100222210122002), we get a palindrome (300443222344003).

The spelling of 200221012222001 in words is "two hundred trillion, two hundred twenty-one billion, twelve million, two hundred twenty-two thousand, one".