211110011222 has 32 divisors (see below), whose sum is σ = 360603187200. Its totient is φ = 91820203200.

The previous prime is 211110011207. The next prime is 211110011263. The reversal of 211110011222 is 222110011112.

It is a junction number, because it is equal to n+sod(n) for n = 211110011197 and 211110011206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1678322 + ... + 1799717.

It is an arithmetic number, because the mean of its divisors is an integer number (11268849600).

Almost surely, 2^211110011222 is an apocalyptic number.

211110011222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211110011222 is a deficient number, since it is larger than the sum of its proper divisors (149493175978).

211110011222 is a wasteful number, since it uses less digits than its factorization.

211110011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3478172.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211110011222 its reverse (222110011112), we get a palindrome (433220022334).

The spelling of 211110011222 in words is "two hundred eleven billion, one hundred ten million, eleven thousand, two hundred twenty-two".