11203122212 has 6 divisors (see below), whose sum is σ = 19605463878. Its totient is φ = 5601561104.

The previous prime is 11203122197. The next prime is 11203122223. The reversal of 11203122212 is 21222130211.

It can be written as a sum of positive squares in only one way, i.e., 9464565796 + 1738556416 = 97286^2 + 41696^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400390273 + ... + 1400390280.

It is an arithmetic number, because the mean of its divisors is an integer number (3267577313).

Almost surely, 2^11203122212 is an apocalyptic number.

It is an amenable number.

11203122212 is a deficient number, since it is larger than the sum of its proper divisors (8402341666).

11203122212 is a wasteful number, since it uses less digits than its factorization.

11203122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800780557 (or 2800780555 counting only the distinct ones).

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

Adding to 11203122212 its reverse (21222130211), we get a palindrome (32425252423).

The spelling of 11203122212 in words is "eleven billion, two hundred three million, one hundred twenty-two thousand, two hundred twelve".