211111201122022 has 16 divisors (see below), whose sum is σ = 319524046929792. Its totient is φ = 104603506439040.

The previous prime is 211111201122011. The next prime is 211111201122121. The reversal of 211111201122022 is 220221102111112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 78921558 + ... + 81552649.

It is an arithmetic number, because the mean of its divisors is an integer number (19970252933112).

Almost surely, 2^{211111201122022} is an apocalyptic number.

211111201122022 is a deficient number, since it is larger than the sum of its proper divisors (108412845807770).

211111201122022 is a wasteful number, since it uses less digits than its factorization.

211111201122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160480143.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211111201122022 its reverse (220221102111112), we get a palindrome (431332303233134).

The spelling of 211111201122022 in words is "two hundred eleven trillion, one hundred eleven billion, two hundred one million, one hundred twenty-two thousand, twenty-two".