10221221200222 has 16 divisors (see below), whose sum is σ = 16138833656400. Its totient is φ = 4841612092800.

The previous prime is 10221221200207. The next prime is 10221221200231. The reversal of 10221221200222 is 22200212212201.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 10221221200222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16015654 + ... + 16641622.

It is an arithmetic number, because the mean of its divisors is an integer number (1008677103525).

Almost surely, 2^{10221221200222} is an apocalyptic number.

10221221200222 is a deficient number, since it is larger than the sum of its proper divisors (5917612456178).

10221221200222 is a wasteful number, since it uses less digits than its factorization.

10221221200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055691.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10221221200222 its reverse (22200212212201), we get a palindrome (32421433412423).

The spelling of 10221221200222 in words is "ten trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred thousand, two hundred twenty-two".