201222203021 has 32 divisors (see below), whose sum is σ = 236000151552. Its totient is φ = 168019790400.

The previous prime is 201222202999. The next prime is 201222203041. The reversal of 201222203021 is 120302222102.

It is not a de Polignac number, because 201222203021 - 2¹⁴ = 201222186637 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 (201222203041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16069655 + ... + 16082171.

It is an arithmetic number, because the mean of its divisors is an integer number (7375004736).

Almost surely, 2^201222203021 is an apocalyptic number.

It is an amenable number.

201222203021 is a deficient number, since it is larger than the sum of its proper divisors (34777948531).

201222203021 is a wasteful number, since it uses less digits than its factorization.

201222203021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12969.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 201222203021 its reverse (120302222102), we get a palindrome (321524425123).

The spelling of 201222203021 in words is "two hundred one billion, two hundred twenty-two million, two hundred three thousand, twenty-one".