20102221100122 has 32 divisors (see below), whose sum is σ = 34513808015232. Its totient is φ = 8602029261504.

The previous prime is 20102221100119. The next prime is 20102221100147. The reversal of 20102221100122 is 22100112220102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20102221100096 and 20102221100105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40064533 + ... + 40563175.

It is an arithmetic number, because the mean of its divisors is an integer number (1078556500476).

Almost surely, 2^{20102221100122} is an apocalyptic number.

20102221100122 is a deficient number, since it is larger than the sum of its proper divisors (14411586915110).

20102221100122 is a wasteful number, since it uses less digits than its factorization.

20102221100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503062.

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

Adding to 20102221100122 its reverse (22100112220102), we get a palindrome (42202333320224).

The spelling of 20102221100122 in words is "twenty trillion, one hundred two billion, two hundred twenty-one million, one hundred thousand, one hundred twenty-two".