211122021212222 has 16 divisors (see below), whose sum is σ = 329248903857552. Its totient is φ = 101449242079680.

The previous prime is 211122021212191. The next prime is 211122021212227. The reversal of 211122021212222 is 222212120221112.

It is a super-2 number, since 2×211122021212222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211122021212227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19213866113 + ... + 19213877100.

It is an arithmetic number, because the mean of its divisors is an integer number (20578056491097).

Almost surely, 2^{211122021212222} is an apocalyptic number.

211122021212222 is a deficient number, since it is larger than the sum of its proper divisors (118126882645330).

211122021212222 is a wasteful number, since it uses less digits than its factorization.

211122021212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38427743323.

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

Adding to 211122021212222 its reverse (222212120221112), we get a palindrome (433334141433334).

The spelling of 211122021212222 in words is "two hundred eleven trillion, one hundred twenty-two billion, twenty-one million, two hundred twelve thousand, two hundred twenty-two".