11221102210 has 8 divisors (see below), whose sum is σ = 20197983996. Its totient is φ = 4488440880.

The previous prime is 11221102171. The next prime is 11221102223. The reversal of 11221102210 is 1220112211.

It can be written as a sum of positive squares in 2 ways, for example, as 11089564249 + 131537961 = 105307^2 + 11469^2 .

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

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, 561055101 + ... + 561055120.

Almost surely, 2^11221102210 is an apocalyptic number.

11221102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221102210 is a deficient number, since it is larger than the sum of its proper divisors (8976881786).

11221102210 is a wasteful number, since it uses less digits than its factorization.

11221102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122110228.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11221102210 its reverse (1220112211), we get a palindrome (12441214421).

The spelling of 11221102210 in words is "eleven billion, two hundred twenty-one million, one hundred two thousand, two hundred ten".