11221011210 has 32 divisors (see below), whose sum is σ = 26991803520. Its totient is φ = 2985450048.

The previous prime is 11221011169. The next prime is 11221011233. The reversal of 11221011210 is 1211012211.

It is a super-2 number, since 2×11221011210² (a number of 21 digits) contains 22 as substring.

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, 412837 + ... + 439176.

It is an arithmetic number, because the mean of its divisors is an integer number (843493860).

Almost surely, 2^11221011210 is an apocalyptic number.

11221011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221011210 is an abundant number, since it is smaller than the sum of its proper divisors (15770792310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11221011210 is a wasteful number, since it uses less digits than its factorization.

11221011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852462.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11221011210 its reverse (1211012211), we get a palindrome (12432023421).

The spelling of 11221011210 in words is "eleven billion, two hundred twenty-one million, eleven thousand, two hundred ten".