220112020210100 has 36 divisors (see below), whose sum is σ = 477643769573964. Its totient is φ = 88044681684480.

The previous prime is 220112020210063. The next prime is 220112020210111. The reversal of 220112020210100 is 1012020211022.

It can be written as a sum of positive squares in 6 ways, for example, as 3946396794916 + 216165623415184 = 1986554^2 + 14702572^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102599612 + ... + 104722988.

Almost surely, 2^{220112020210100} is an apocalyptic number.

220112020210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220112020210100 is an abundant number, since it is smaller than the sum of its proper divisors (257531749363864).

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

220112020210100 is a wasteful number, since it uses less digits than its factorization.

220112020210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160004 (or 3159997 counting only the distinct ones).

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

Adding to 220112020210100 its reverse (1012020211022), we get a palindrome (221124040421122).

The spelling of 220112020210100 in words is "two hundred twenty trillion, one hundred twelve billion, twenty million, two hundred ten thousand, one hundred".