122221122202 has 8 divisors (see below), whose sum is σ = 183335717556. Its totient is φ = 61109216352.

The previous prime is 122221122119. The next prime is 122221122259. The reversal of 122221122202 is 202221122221.

It can be written as a sum of positive squares in 2 ways, for example, as 76689671041 + 45531451161 = 276929^2 + 213381^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 122221122202.

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 3 ways as a sum of consecutive naturals, for example, 554643 + ... + 743014.

Almost surely, 2^122221122202 is an apocalyptic number.

122221122202 is a deficient number, since it is larger than the sum of its proper divisors (61114595354).

122221122202 is a wasteful number, since it uses less digits than its factorization.

122221122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344752.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122221122202 its sum of digits (19), we get a palindrome (122221122221).

Adding to 122221122202 its reverse (202221122221), we get a palindrome (324442244423).

The spelling of 122221122202 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred two".