20102221101022 has 8 divisors (see below), whose sum is σ = 30195861035400. Its totient is φ = 10036934089224.

The previous prime is 20102221101007. The next prime is 20102221101029. The reversal of 20102221101022 is 22010112220102.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20102221100987 and 20102221101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102221101029) 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, 7088228872 + ... + 7088231707.

It is an arithmetic number, because the mean of its divisors is an integer number (3774482629425).

Almost surely, 2^{20102221101022} is an apocalyptic number.

20102221101022 is a deficient number, since it is larger than the sum of its proper divisors (10093639934378).

20102221101022 is a wasteful number, since it uses less digits than its factorization.

20102221101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14176461290.

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

Adding to 20102221101022 its reverse (22010112220102), we get a palindrome (42112333321124).

The spelling of 20102221101022 in words is "twenty trillion, one hundred two billion, two hundred twenty-one million, one hundred one thousand, twenty-two".