2220102301021 has 12 divisors (see below), whose sum is σ = 2440907675836. Its totient is φ = 2017753816320.

The previous prime is 2220102301009. The next prime is 2220102301061. The reversal of 2220102301021 is 1201032010222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 961242984900 + 1258859316121 = 980430^2 + 1121989^2 .

It is not a de Polignac number, because 2220102301021 - 2¹³ = 2220102292829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220102300986 and 2220102301004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220102301061) 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, 1897140 + ... + 2835373.

Almost surely, 2^{2220102301021} is an apocalyptic number.

It is an amenable number.

2220102301021 is a deficient number, since it is larger than the sum of its proper divisors (220805374815).

2220102301021 is a wasteful number, since it uses less digits than its factorization.

2220102301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736412 (or 4736401 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2220102301021 its reverse (1201032010222), we get a palindrome (3421134311243).

The spelling of 2220102301021 in words is "two trillion, two hundred twenty billion, one hundred two million, three hundred one thousand, twenty-one".