2220110200021 has 12 divisors (see below), whose sum is σ = 2583096774732. Its totient is φ = 1902568734528.

The previous prime is 2220110200013. The next prime is 2220110200057. The reversal of 2220110200021 is 1200020110222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1283258496100 + 936851703921 = 1132810^2 + 967911^2 .

It is not a de Polignac number, because 2220110200021 - 2³ = 2220110200013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220110199974 and 2220110200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220110204021) by changing a digit.

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, 4311760 + ... + 4799113.

It is an arithmetic number, because the mean of its divisors is an integer number (215258064561).

Almost surely, 2^{2220110200021} is an apocalyptic number.

It is an amenable number.

2220110200021 is a deficient number, since it is larger than the sum of its proper divisors (362986574711).

2220110200021 is an equidigital number, since it uses as much as digits as its factorization.

2220110200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9115860 (or 9115853 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2220110200021 its reverse (1200020110222), we get a palindrome (3420130310243).

The spelling of 2220110200021 in words is "two trillion, two hundred twenty billion, one hundred ten million, two hundred thousand, twenty-one".