211103112222 has 20 divisors (see below), whose sum is σ = 473027344416. Its totient is φ = 70367704020.

The previous prime is 211103112211. The next prime is 211103112251. The reversal of 211103112222 is 222211301112.

211103112222 is a `hidden beast` number, since 21 + 110 + 311 + 2 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211103112195 and 211103112204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 651552654 + ... + 651552977.

Almost surely, 2^211103112222 is an apocalyptic number.

211103112222 is an abundant number, since it is smaller than the sum of its proper divisors (261924232194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211103112222 is a wasteful number, since it uses less digits than its factorization.

211103112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303105645 (or 1303105636 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 211103112222 its reverse (222211301112), we get a palindrome (433314413334).

The spelling of 211103112222 in words is "two hundred eleven billion, one hundred three million, one hundred twelve thousand, two hundred twenty-two".