11021222210 has 8 divisors (see below), whose sum is σ = 19838199996. Its totient is φ = 4408488880.

The previous prime is 11021222209. The next prime is 11021222237. The reversal of 11021222210 is 1222212011.

It can be written as a sum of positive squares in 2 ways, for example, as 10061895481 + 959326729 = 100309^2 + 30973^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551061101 + ... + 551061120.

Almost surely, 2^11021222210 is an apocalyptic number.

11021222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021222210 is a deficient number, since it is larger than the sum of its proper divisors (8816977786).

11021222210 is a wasteful number, since it uses less digits than its factorization.

11021222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102122228.

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

Adding to 11021222210 its reverse (1222212011), we get a palindrome (12243434221).

The spelling of 11021222210 in words is "eleven billion, twenty-one million, two hundred twenty-two thousand, two hundred ten".