211110020321222 has 32 divisors (see below), whose sum is σ = 353096578888704. Its totient is φ = 93839217264000.

The previous prime is 211110020321209. The next prime is 211110020321227. The reversal of 211110020321222 is 222123020011112.

It is a junction number, because it is equal to n+sod(n) for n = 211110020321194 and 211110020321203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211110020321227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83757458 + ... + 86241125.

It is an arithmetic number, because the mean of its divisors is an integer number (11034268090272).

Almost surely, 2^{211110020321222} is an apocalyptic number.

211110020321222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211110020321222 is a deficient number, since it is larger than the sum of its proper divisors (141986558567482).

211110020321222 is a wasteful number, since it uses less digits than its factorization.

211110020321222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169999844.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 211110020321222 its reverse (222123020011112), we get a palindrome (433233040332334).

The spelling of 211110020321222 in words is "two hundred eleven trillion, one hundred ten billion, twenty million, three hundred twenty-one thousand, two hundred twenty-two".