22112201122210 has 8 divisors (see below), whose sum is σ = 39801962019996. Its totient is φ = 8844880448880.

The previous prime is 22112201122181. The next prime is 22112201122217. The reversal of 22112201122210 is 1222110221122.

It can be written as a sum of positive squares in 2 ways, for example, as 20973184963201 + 1139016159009 = 4579649^2 + 1067247^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22112201122217) 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 3 ways as a sum of consecutive naturals, for example, 1105610056101 + ... + 1105610056120.

Almost surely, 2^{22112201122210} is an apocalyptic number.

22112201122210 is a deficient number, since it is larger than the sum of its proper divisors (17689760897786).

22112201122210 is a wasteful number, since it uses less digits than its factorization.

22112201122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211220112228.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22112201122210 its reverse (1222110221122), we get a palindrome (23334311343332).

The spelling of 22112201122210 in words is "twenty-two trillion, one hundred twelve billion, two hundred one million, one hundred twenty-two thousand, two hundred ten".