20221221000201 has 8 divisors (see below), whose sum is σ = 29035599384960. Its totient is φ = 12443828307792.

The previous prime is 20221221000193. The next prime is 20221221000223. The reversal of 20221221000201 is 10200012212202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20221221000201 - 2³ = 20221221000193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20221221000271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259246423041 + ... + 259246423118.

It is an arithmetic number, because the mean of its divisors is an integer number (3629449923120).

Almost surely, 2^{20221221000201} is an apocalyptic number.

It is an amenable number.

20221221000201 is a deficient number, since it is larger than the sum of its proper divisors (8814378384759).

20221221000201 is a wasteful number, since it uses less digits than its factorization.

20221221000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518492846175.

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

Adding to 20221221000201 its reverse (10200012212202), we get a palindrome (30421233212403).

The spelling of 20221221000201 in words is "twenty trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred one", and thus it is an aban number.