211111122022 has 16 divisors (see below), whose sum is σ = 317472876000. Its totient is φ = 105287152320.

The previous prime is 211111122007. The next prime is 211111122043. The reversal of 211111122022 is 220221111112.

It is a junction number, because it is equal to n+sod(n) for n = 211111121987 and 211111122005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1244104 + ... + 1403572.

It is an arithmetic number, because the mean of its divisors is an integer number (19842054750).

Almost surely, 2^211111122022 is an apocalyptic number.

211111122022 is a deficient number, since it is larger than the sum of its proper divisors (106361753978).

211111122022 is a wasteful number, since it uses less digits than its factorization.

211111122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161151.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211111122022 its reverse (220221111112), we get a palindrome (431332233134).

The spelling of 211111122022 in words is "two hundred eleven billion, one hundred eleven million, one hundred twenty-two thousand, twenty-two".