10202122202218 has 8 divisors (see below), whose sum is σ = 15338525529348. Its totient is φ = 5089280359104.

The previous prime is 10202122202119. The next prime is 10202122202219. The reversal of 10202122202218 is 81220222120201.

It can be written as a sum of positive squares in 2 ways, for example, as 8372533222089 + 1829588980129 = 2893533^2 + 1352623^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 10202122202192 and 10202122202201.

It is not an unprimeable number, because it can be changed into a prime (10202122202219) 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, 5890369921 + ... + 5890371652.

Almost surely, 2^{10202122202218} is an apocalyptic number.

10202122202218 is a deficient number, since it is larger than the sum of its proper divisors (5136403327130).

10202122202218 is a wasteful number, since it uses less digits than its factorization.

10202122202218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11780742008.

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 10202122202218 its reverse (81220222120201), we get a palindrome (91422344322419).

The spelling of 10202122202218 in words is "ten trillion, two hundred two billion, one hundred twenty-two million, two hundred two thousand, two hundred eighteen".