11221010210 has 8 divisors (see below), whose sum is σ = 20197818396. Its totient is φ = 4488404080.

The previous prime is 11221010209. The next prime is 11221010231. The reversal of 11221010210 is 1201012211.

It can be written as a sum of positive squares in 2 ways, for example, as 10909593601 + 311416609 = 104449^2 + 17647^2 .

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

It is a super-2 number, since 2×11221010210² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11221010191 and 11221010200.

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, 561050501 + ... + 561050520.

Almost surely, 2^11221010210 is an apocalyptic number.

11221010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221010210 is a deficient number, since it is larger than the sum of its proper divisors (8976808186).

11221010210 is a wasteful number, since it uses less digits than its factorization.

11221010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122101028.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11221010210 its reverse (1201012211), we get a palindrome (12422022421).

The spelling of 11221010210 in words is "eleven billion, two hundred twenty-one million, ten thousand, two hundred ten".