210100222110020 has 96 divisors (see below), whose sum is σ = 493092757495296. Its totient is φ = 74531717222400.

The previous prime is 210100222110013. The next prime is 210100222110043. The reversal of 210100222110020 is 20011222001012.

It is a junction number, because it is equal to n+sod(n) for n = 210100222109977 and 210100222110004.

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 31 ways as a sum of consecutive naturals, for example, 136491989 + ... + 138022691.

It is an arithmetic number, because the mean of its divisors is an integer number (5136382890576).

Almost surely, 2^{210100222110020} is an apocalyptic number.

210100222110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210100222110020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246546378747648).

210100222110020 is an abundant number, since it is smaller than the sum of its proper divisors (282992535385276).

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

210100222110020 is a wasteful number, since it uses less digits than its factorization.

210100222110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545981 (or 1545979 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210100222110020 its reverse (20011222001012), we get a palindrome (230111444111032).

The spelling of 210100222110020 in words is "two hundred ten trillion, one hundred billion, two hundred twenty-two million, one hundred ten thousand, twenty".