21022212000122 has 8 divisors (see below), whose sum is σ = 31533543566676. Its totient is φ = 10511030811232.

The previous prime is 21022212000121. The next prime is 21022212000169. The reversal of 21022212000122 is 22100021222012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19095143300401 + 1927068699721 = 4369799^2 + 1388189^2 .

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 21022212000122.

It is not an unprimeable number, because it can be changed into a prime (21022212000121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37244273 + ... + 37804500.

Almost surely, 2^{21022212000122} is an apocalyptic number.

21022212000122 is a deficient number, since it is larger than the sum of its proper divisors (10511331566554).

21022212000122 is a wasteful number, since it uses less digits than its factorization.

21022212000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75188832.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 21022212000122 its reverse (22100021222012), we get a palindrome (43122233222134).

The spelling of 21022212000122 in words is "twenty-one trillion, twenty-two billion, two hundred twelve million, one hundred twenty-two", and thus it is an aban number.