2011211222 has 8 divisors (see below), whose sum is σ = 3086975496. Its totient is φ = 982219392.

The previous prime is 2011211221. The next prime is 2011211239. The reversal of 2011211222 is 2221121102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2011211197 and 2011211206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011211221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11693003 + ... + 11693174.

It is an arithmetic number, because the mean of its divisors is an integer number (385871937).

Almost surely, 2^2011211222 is an apocalyptic number.

2011211222 is a deficient number, since it is larger than the sum of its proper divisors (1075764274).

2011211222 is a wasteful number, since it uses less digits than its factorization.

2011211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23386222.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2011211222 is about 44846.5296539208. The cubic root of 2011211222 is about 1262.2708737152.

Adding to 2011211222 its reverse (2221121102), we get a palindrome (4232332324).

The spelling of 2011211222 in words is "two billion, eleven million, two hundred eleven thousand, two hundred twenty-two".