201222202101221 has 8 divisors (see below), whose sum is σ = 230051764678464. Its totient is φ = 172413522950400.

The previous prime is 201222202101209. The next prime is 201222202101223. The reversal of 201222202101221 is 122101202222102.

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 201222202101221 - 2¹⁴ = 201222202084837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201222202101193 and 201222202101202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201222202101223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5220835955 + ... + 5220874496.

It is an arithmetic number, because the mean of its divisors is an integer number (28756470584808).

Almost surely, 2^{201222202101221} is an apocalyptic number.

It is an amenable number.

201222202101221 is a deficient number, since it is larger than the sum of its proper divisors (28829562577243).

201222202101221 is a wasteful number, since it uses less digits than its factorization.

201222202101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10441713211.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 201222202101221 its reverse (122101202222102), we get a palindrome (323323404323323).

The spelling of 201222202101221 in words is "two hundred one trillion, two hundred twenty-two billion, two hundred two million, one hundred one thousand, two hundred twenty-one".