212211101102122 has 8 divisors (see below), whose sum is σ = 318356476104996. Its totient is φ = 106092275733792.

The previous prime is 212211101102087. The next prime is 212211101102123. The reversal of 212211101102122 is 221201101112212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 210737453206401 + 1473647895721 = 14516799^2 + 1213939^2 .

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 212211101102122.

It is not an unprimeable number, because it can be changed into a prime (212211101102123) 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, 6637388653 + ... + 6637420624.

Almost surely, 2^{212211101102122} is an apocalyptic number.

212211101102122 is a deficient number, since it is larger than the sum of its proper divisors (106145375002874).

212211101102122 is a wasteful number, since it uses less digits than its factorization.

212211101102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13274817272.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212211101102122 its reverse (221201101112212), we get a palindrome (433412202214334).

The spelling of 212211101102122 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred one million, one hundred two thousand, one hundred twenty-two".