2212111011 has 8 divisors (see below), whose sum is σ = 3217616064. Its totient is φ = 1340673320.

The previous prime is 2212110983. The next prime is 2212111021. The reversal of 2212111011 is 1101112122.

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

It is a cyclic number.

It is not a de Polignac number, because 2212111011 - 2⁶ = 2212110947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2212111021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33516801 + ... + 33516866.

It is an arithmetic number, because the mean of its divisors is an integer number (402202008).

Almost surely, 2^2212111011 is an apocalyptic number.

2212111011 is a deficient number, since it is larger than the sum of its proper divisors (1005505053).

2212111011 is a wasteful number, since it uses less digits than its factorization.

2212111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67033681.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 2212111011 is about 47033.0842173889. The cubic root of 2212111011 is about 1302.9736682767.

Adding to 2212111011 its reverse (1101112122), we get a palindrome (3313223133).

It can be divided in two parts, 221211 and 1011, that added together give a palindrome (222222).

The spelling of 2212111011 in words is "two billion, two hundred twelve million, one hundred eleven thousand, eleven".