2211102012 has 24 divisors (see below), whose sum is σ = 5896272256. Its totient is φ = 631743408.

The previous prime is 2211101947. The next prime is 2211102017. The reversal of 2211102012 is 2102011122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211102017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13161238 + ... + 13161405.

Almost surely, 2^2211102012 is an apocalyptic number.

It is an amenable number.

2211102012 is an abundant number, since it is smaller than the sum of its proper divisors (3685170244).

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

2211102012 is a wasteful number, since it uses less digits than its factorization.

2211102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26322657 (or 26322655 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2211102012 is about 47022.3565126207. The cubic root of 2211102012 is about 1302.7755318870.

Adding to 2211102012 its reverse (2102011122), we get a palindrome (4313113134).

The spelling of 2211102012 in words is "two billion, two hundred eleven million, one hundred two thousand, twelve".