10221200201222 has 4 divisors (see below), whose sum is σ = 15331800301836. Its totient is φ = 5110600100610.

The previous prime is 10221200201221. The next prime is 10221200201239. The reversal of 10221200201222 is 22210200212201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10221200201222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221200201221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555300050304 + ... + 2555300050307.

It is an arithmetic number, because the mean of its divisors is an integer number (3832950075459).

Almost surely, 2^{10221200201222} is an apocalyptic number.

10221200201222 is a deficient number, since it is larger than the sum of its proper divisors (5110600100614).

10221200201222 is an equidigital number, since it uses as much as digits as its factorization.

10221200201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110600100613.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10221200201222 its reverse (22210200212201), we get a palindrome (32431400413423).

The spelling of 10221200201222 in words is "ten trillion, two hundred twenty-one billion, two hundred million, two hundred one thousand, two hundred twenty-two".