211222111022 has 32 divisors (see below), whose sum is σ = 342279447552. Its totient is φ = 97180589664.

The previous prime is 211222110991. The next prime is 211222111033. The reversal of 211222111022 is 220111222112.

211222111022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211222111022² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11852843 + ... + 11870649.

It is an arithmetic number, because the mean of its divisors is an integer number (10696232736).

Almost surely, 2^211222111022 is an apocalyptic number.

211222111022 is a deficient number, since it is larger than the sum of its proper divisors (131057336530).

211222111022 is a wasteful number, since it uses less digits than its factorization.

211222111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19232.

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

Adding to 211222111022 its reverse (220111222112), we get a palindrome (431333333134).

The spelling of 211222111022 in words is "two hundred eleven billion, two hundred twenty-two million, one hundred eleven thousand, twenty-two".