211122212012222 has 24 divisors (see below), whose sum is σ = 370733129114904. Its totient is φ = 89904636227952.

The previous prime is 211122212012219. The next prime is 211122212012263. The reversal of 211122212012222 is 222210212221112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6860839028 + ... + 6860869799.

It is an arithmetic number, because the mean of its divisors is an integer number (15447213713121).

Almost surely, 2^{211122212012222} is an apocalyptic number.

211122212012222 is a deficient number, since it is larger than the sum of its proper divisors (159610917102682).

211122212012222 is a wasteful number, since it uses less digits than its factorization.

211122212012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13721709000 (or 13721708993 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 211122212012222 its reverse (222210212221112), we get a palindrome (433332424233334).

The spelling of 211122212012222 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred twelve million, twelve thousand, two hundred twenty-two".