200221212122101 has 8 divisors (see below), whose sum is σ = 201103678419840. Its totient is φ = 199338749636448.

The previous prime is 200221212122083. The next prime is 200221212122111. The reversal of 200221212122101 is 101221212122002.

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 200221212122101 - 2¹⁵ = 200221212089333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200221212122111) 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, 179149060 + ... + 180263218.

It is an arithmetic number, because the mean of its divisors is an integer number (25137959802480).

Almost surely, 2^{200221212122101} is an apocalyptic number.

It is an amenable number.

200221212122101 is a deficient number, since it is larger than the sum of its proper divisors (882466297739).

200221212122101 is a wasteful number, since it uses less digits than its factorization.

200221212122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906043.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 200221212122101 its reverse (101221212122002), we get a palindrome (301442424244103).

Subtracting from 200221212122101 its reverse (101221212122002), we obtain a palindrome (99000000000099).

The spelling of 200221212122101 in words is "two hundred trillion, two hundred twenty-one billion, two hundred twelve million, one hundred twenty-two thousand, one hundred one".