201100201201222 has 32 divisors (see below), whose sum is σ = 311166044411040. Its totient is φ = 97402421952000.

The previous prime is 201100201201219. The next prime is 201100201201231. The reversal of 201100201201222 is 222102102001102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201100201201196 and 201100201201205.

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, 42653604 + ... + 47133112.

It is an arithmetic number, because the mean of its divisors is an integer number (9723938887845).

Almost surely, 2^{201100201201222} is an apocalyptic number.

201100201201222 is a deficient number, since it is larger than the sum of its proper divisors (110065843209818).

201100201201222 is a wasteful number, since it uses less digits than its factorization.

201100201201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4482216.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201100201201222 its reverse (222102102001102), we get a palindrome (423202303202324).

The spelling of 201100201201222 in words is "two hundred one trillion, one hundred billion, two hundred one million, two hundred one thousand, two hundred twenty-two".