11021212210 has 32 divisors (see below), whose sum is σ = 20173374000. Its totient is φ = 4334069760.

The previous prime is 11021212201. The next prime is 11021212247. The reversal of 11021212210 is 1221212011.

It can be written as a sum of positive squares in 8 ways, for example, as 3290054881 + 7731157329 = 57359^2 + 87927^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1881366 + ... + 1887214.

Almost surely, 2^11021212210 is an apocalyptic number.

11021212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021212210 is a deficient number, since it is larger than the sum of its proper divisors (9152161790).

11021212210 is a wasteful number, since it uses less digits than its factorization.

11021212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9006.

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

Adding to 11021212210 its reverse (1221212011), we get a palindrome (12242424221).

The spelling of 11021212210 in words is "eleven billion, twenty-one million, two hundred twelve thousand, two hundred ten".