2211132212 has 6 divisors (see below), whose sum is σ = 3869481378. Its totient is φ = 1105566104.

The previous prime is 2211132127. The next prime is 2211132221. The reversal of 2211132212 is 2122311122.

It can be written as a sum of positive squares in only one way, i.e., 1641546256 + 569585956 = 40516^2 + 23866^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276391523 + ... + 276391530.

It is an arithmetic number, because the mean of its divisors is an integer number (644913563).

Almost surely, 2^2211132212 is an apocalyptic number.

It is an amenable number.

2211132212 is a deficient number, since it is larger than the sum of its proper divisors (1658349166).

2211132212 is a wasteful number, since it uses less digits than its factorization.

2211132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552783057 (or 552783055 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 2211132212 is about 47022.6776353708. The cubic root of 2211132212 is about 1302.7814631137.

Adding to 2211132212 its reverse (2122311122), we get a palindrome (4333443334).

The spelling of 2211132212 in words is "two billion, two hundred eleven million, one hundred thirty-two thousand, two hundred twelve".