10001220202222 has 16 divisors (see below), whose sum is σ = 15020866030752. Its totient is φ = 4994265513600.

The previous prime is 10001220202219. The next prime is 10001220202229. The reversal of 10001220202222 is 22220202210001.

It is a junction number, because it is equal to n+sod(n) for n = 10001220202196 and 10001220202205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001220202229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32439018 + ... + 32745874.

It is an arithmetic number, because the mean of its divisors is an integer number (938804126922).

Almost surely, 2^{10001220202222} is an apocalyptic number.

10001220202222 is a deficient number, since it is larger than the sum of its proper divisors (5019645828530).

10001220202222 is a wasteful number, since it uses less digits than its factorization.

10001220202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327483.

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

Adding to 10001220202222 its reverse (22220202210001), we get a palindrome (32221422412223).

The spelling of 10001220202222 in words is "ten trillion, one billion, two hundred twenty million, two hundred two thousand, two hundred twenty-two".