211110020022212 has 6 divisors (see below), whose sum is σ = 369442535038878. Its totient is φ = 105555010011104.

The previous prime is 211110020022199. The next prime is 211110020022233. The reversal of 211110020022212 is 212220020011112.

It can be written as a sum of positive squares in only one way, i.e., 132401291243776 + 78708728778436 = 11506576^2 + 8871794^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26388752502773 + ... + 26388752502780.

It is an arithmetic number, because the mean of its divisors is an integer number (61573755839813).

Almost surely, 2^{211110020022212} is an apocalyptic number.

It is an amenable number.

211110020022212 is a deficient number, since it is larger than the sum of its proper divisors (158332515016666).

211110020022212 is a wasteful number, since it uses less digits than its factorization.

211110020022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52777505005557 (or 52777505005555 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211110020022212 its reverse (212220020011112), we get a palindrome (423330040033324).

The spelling of 211110020022212 in words is "two hundred eleven trillion, one hundred ten billion, twenty million, twenty-two thousand, two hundred twelve".