2220102110321 has 4 divisors (see below), whose sum is σ = 2240470019700. Its totient is φ = 2199734200944.

The previous prime is 2220102110299. The next prime is 2220102110323. The reversal of 2220102110321 is 1230112010222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1714957870096 + 505144240225 = 1309564^2 + 710735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220102110321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2220102110321.

It is not an unprimeable number, because it can be changed into a prime (2220102110323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10183954526 + ... + 10183954743.

It is an arithmetic number, because the mean of its divisors is an integer number (560117504925).

Almost surely, 2^{2220102110321} is an apocalyptic number.

It is an amenable number.

2220102110321 is a deficient number, since it is larger than the sum of its proper divisors (20367909379).

2220102110321 is a wasteful number, since it uses less digits than its factorization.

2220102110321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20367909378.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2220102110321 its reverse (1230112010222), we get a palindrome (3450214120543).

The spelling of 2220102110321 in words is "two trillion, two hundred twenty billion, one hundred two million, one hundred ten thousand, three hundred twenty-one".