201000200021222 has 32 divisors (see below), whose sum is σ = 351074883059712. Its totient is φ = 84517181240544.

The previous prime is 201000200021219. The next prime is 201000200021233. The reversal of 201000200021222 is 222120002000102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 201000200021197 and 201000200021206.

It is a congruent number.

It is an unprimeable number.

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, 180111083 + ... + 181223625.

It is an arithmetic number, because the mean of its divisors is an integer number (10971090095616).

Almost surely, 2^{201000200021222} is an apocalyptic number.

201000200021222 is a deficient number, since it is larger than the sum of its proper divisors (150074683038490).

201000200021222 is a wasteful number, since it uses less digits than its factorization.

201000200021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356092.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 201000200021222 its reverse (222120002000102), we get a palindrome (423120202021324).

The spelling of 201000200021222 in words is "two hundred one trillion, two hundred million, twenty-one thousand, two hundred twenty-two".