212222121021102 has 8 divisors (see below), whose sum is σ = 424444242042216. Its totient is φ = 70740707007032.

The previous prime is 212222121021091. The next prime is 212222121021137. The reversal of 212222121021102 is 201120121222212.

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

212222121021102 is an admirable number.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 17685176751753 + ... + 17685176751764.

It is an arithmetic number, because the mean of its divisors is an integer number (53055530255277).

Almost surely, 2^{212222121021102} is an apocalyptic number.

212222121021102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212222121021102 is a wasteful number, since it uses less digits than its factorization.

212222121021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35370353503522.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212222121021102 its reverse (201120121222212), we get a palindrome (413342242243314).

The spelling of 212222121021102 in words is "two hundred twelve trillion, two hundred twenty-two billion, one hundred twenty-one million, twenty-one thousand, one hundred two".