220102102022100 has 36 divisors (see below), whose sum is σ = 636828748518144. Its totient is φ = 58693893872480.

The previous prime is 220102102022093. The next prime is 220102102022161. The reversal of 220102102022100 is 1220201201022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220102102022100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 366836836404 + ... + 366836837003.

Almost surely, 2^{220102102022100} is an apocalyptic number.

220102102022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220102102022100 is an abundant number, since it is smaller than the sum of its proper divisors (416726646496044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220102102022100 is a wasteful number, since it uses less digits than its factorization.

220102102022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733673673424 (or 733673673417 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220102102022100 its reverse (1220201201022), we get a palindrome (221322303223122).

The spelling of 220102102022100 in words is "two hundred twenty trillion, one hundred two billion, one hundred two million, twenty-two thousand, one hundred".