201222022021000 has 64 divisors (see below), whose sum is σ = 470878808400000. Its totient is φ = 80485513617600.

The previous prime is 201222022020977. The next prime is 201222022021003. The reversal of 201222022021000 is 120220222102.

It is not an unprimeable number, because it can be changed into a prime (201222022021003) 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 15 ways as a sum of consecutive naturals, for example, 20392261 + ... + 28605739.

It is an arithmetic number, because the mean of its divisors is an integer number (7357481381250).

Almost surely, 2^{201222022021000} is an apocalyptic number.

201222022021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201222022021000 is an abundant number, since it is smaller than the sum of its proper divisors (269656786379000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201222022021000 is a wasteful number, since it uses less digits than its factorization.

201222022021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8237999 (or 8237985 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201222022021000 its reverse (120220222102), we get a palindrome (201342242243102).

The spelling of 201222022021000 in words is "two hundred one trillion, two hundred twenty-two billion, twenty-two million, twenty-one thousand".