22022021210122 has 4 divisors (see below), whose sum is σ = 33033031815186. Its totient is φ = 11011010605060.

The previous prime is 22022021210093. The next prime is 22022021210153. The reversal of 22022021210122 is 22101212022022.

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., 16734325559121 + 5287695651001 = 4090761^2 + 2299499^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22022021210122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505505302529 + ... + 5505505302532.

Almost surely, 2^{22022021210122} is an apocalyptic number.

22022021210122 is a deficient number, since it is larger than the sum of its proper divisors (11011010605064).

22022021210122 is a wasteful number, since it uses less digits than its factorization.

22022021210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011010605063.

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

Adding to 22022021210122 its reverse (22101212022022), we get a palindrome (44123233232144).

The spelling of 22022021210122 in words is "twenty-two trillion, twenty-two billion, twenty-one million, two hundred ten thousand, one hundred twenty-two".