11011221122210 has 8 divisors (see below), whose sum is σ = 19820198019996. Its totient is φ = 4404488448880.

The previous prime is 11011221122207. The next prime is 11011221122221. The reversal of 11011221122210 is 1222112211011.

It can be written as a sum of positive squares in 2 ways, for example, as 10650477939049 + 360743183161 = 3263507^2 + 600619^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550561056101 + ... + 550561056120.

Almost surely, 2^{11011221122210} is an apocalyptic number.

11011221122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11011221122210 is a deficient number, since it is larger than the sum of its proper divisors (8808976897786).

11011221122210 is a wasteful number, since it uses less digits than its factorization.

11011221122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101122112228.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11011221122210 its reverse (1222112211011), we get a palindrome (12233333333221).

The spelling of 11011221122210 in words is "eleven trillion, eleven billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred ten".