22202002212122 has 4 divisors (see below), whose sum is σ = 33303003318186. Its totient is φ = 11101001106060.

The previous prime is 22202002212097. The next prime is 22202002212167. The reversal of 22202002212122 is 22121220020222.

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., 19287125507521 + 2914876704601 = 4391711^2 + 1707301^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22202002212094 and 22202002212103.

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 as a sum of consecutive naturals, namely, 5550500553029 + ... + 5550500553032.

Almost surely, 2^{22202002212122} is an apocalyptic number.

22202002212122 is a deficient number, since it is larger than the sum of its proper divisors (11101001106064).

22202002212122 is a wasteful number, since it uses less digits than its factorization.

22202002212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11101001106063.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22202002212122 its reverse (22121220020222), we get a palindrome (44323222232344).

The spelling of 22202002212122 in words is "twenty-two trillion, two hundred two billion, two million, two hundred twelve thousand, one hundred twenty-two".