20102221201222 has 8 divisors (see below), whose sum is σ = 30535019546400. Its totient is φ = 9923881352424.

The previous prime is 20102221201193. The next prime is 20102221201229. The reversal of 20102221201222 is 22210212220102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20102221201222² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20102221201222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102221201229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63614623897 + ... + 63614624212.

It is an arithmetic number, because the mean of its divisors is an integer number (3816877443300).

Almost surely, 2^{20102221201222} is an apocalyptic number.

20102221201222 is a deficient number, since it is larger than the sum of its proper divisors (10432798345178).

20102221201222 is a wasteful number, since it uses less digits than its factorization.

20102221201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127229248190.

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

Adding to 20102221201222 its reverse (22210212220102), we get a palindrome (42312433421324).

The spelling of 20102221201222 in words is "twenty trillion, one hundred two billion, two hundred twenty-one million, two hundred one thousand, two hundred twenty-two".