200221123122001 has 4 divisors (see below), whose sum is σ = 200258879326272. Its totient is φ = 200183366917732.

The previous prime is 200221123121993. The next prime is 200221123122019. The reversal of 200221123122001 is 100221321122002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200221123122001 - 2³ = 200221123121993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200221123122001.

It is not an unprimeable number, because it can be changed into a prime (200221123122071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18878094181 + ... + 18878104786.

It is an arithmetic number, because the mean of its divisors is an integer number (50064719831568).

Almost surely, 2^{200221123122001} is an apocalyptic number.

It is an amenable number.

200221123122001 is a deficient number, since it is larger than the sum of its proper divisors (37756204271).

200221123122001 is an equidigital number, since it uses as much as digits as its factorization.

200221123122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37756204270.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 200221123122001 its reverse (100221321122002), we get a palindrome (300442444244003).

The spelling of 200221123122001 in words is "two hundred trillion, two hundred twenty-one billion, one hundred twenty-three million, one hundred twenty-two thousand, one".