22211020122202 has 4 divisors (see below), whose sum is σ = 33316530183306. Its totient is φ = 11105510061100.

The previous prime is 22211020122149. The next prime is 22211020122209. The reversal of 22211020122202 is 20222102011222.

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

It can be written as a sum of positive squares in only one way, i.e., 21863676091321 + 347344030881 = 4675861^2 + 589359^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22211020122202.

It is not an unprimeable number, because it can be changed into a prime (22211020122209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5552755030549 + ... + 5552755030552.

Almost surely, 2^{22211020122202} is an apocalyptic number.

22211020122202 is a deficient number, since it is larger than the sum of its proper divisors (11105510061104).

22211020122202 is a wasteful number, since it uses less digits than its factorization.

22211020122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11105510061103.

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

Adding to 22211020122202 its reverse (20222102011222), we get a palindrome (42433122133424).

The spelling of 22211020122202 in words is "twenty-two trillion, two hundred eleven billion, twenty million, one hundred twenty-two thousand, two hundred two".