2211102212 has 36 divisors (see below), whose sum is σ = 4503377340. Its totient is φ = 945922560.

The previous prime is 2211102199. The next prime is 2211102221. The reversal of 2211102212 is 2122011122.

It can be written as a sum of positive squares in 2 ways, for example, as 620209216 + 1590892996 = 24904^2 + 39886^2 .

It is a super-2 number, since 2×2211102212² = 9777945983822585888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126137 + ... + 142592.

It is an arithmetic number, because the mean of its divisors is an integer number (125093815).

Almost surely, 2^2211102212 is an apocalyptic number.

2211102212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2211102212 is an abundant number, since it is smaller than the sum of its proper divisors (2292275128).

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

2211102212 is a wasteful number, since it uses less digits than its factorization.

2211102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268772 (or 268759 counting only the distinct ones).

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

The square root of 2211102212 is about 47022.3586392686. The cubic root of 2211102212 is about 1302.7755711668.

Adding to 2211102212 its reverse (2122011122), we get a palindrome (4333113334).

It can be divided in two parts, 221110 and 2212, that added together give a palindrome (223322).

The spelling of 2211102212 in words is "two billion, two hundred eleven million, one hundred two thousand, two hundred twelve".