211012111222 has 64 divisors (see below), whose sum is σ = 353864609280. Its totient is φ = 93569414400.

The previous prime is 211012111183. The next prime is 211012111223. The reversal of 211012111222 is 222111210112.

It is a super-2 number, since 2×211012111222² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211012111196 and 211012111205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211012111223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59088697 + ... + 59092267.

It is an arithmetic number, because the mean of its divisors is an integer number (5529134520).

Almost surely, 2^211012111222 is an apocalyptic number.

211012111222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211012111222 is a deficient number, since it is larger than the sum of its proper divisors (142852498058).

211012111222 is a wasteful number, since it uses less digits than its factorization.

211012111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069.

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

Adding to 211012111222 its reverse (222111210112), we get a palindrome (433123321334).

The spelling of 211012111222 in words is "two hundred eleven billion, twelve million, one hundred eleven thousand, two hundred twenty-two".