11221020210 has 64 divisors (see below), whose sum is σ = 27246357504. Its totient is φ = 2957280000.

The previous prime is 11221020203. The next prime is 11221020259. The reversal of 11221020210 is 1202012211.

11221020210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11221020210² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1836160 + ... + 1842260.

It is an arithmetic number, because the mean of its divisors is an integer number (425724336).

Almost surely, 2^11221020210 is an apocalyptic number.

11221020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221020210 is an abundant number, since it is smaller than the sum of its proper divisors (16025337294).

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

11221020210 is a wasteful number, since it uses less digits than its factorization.

11221020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6819.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11221020210 its reverse (1202012211), we get a palindrome (12423032421).

The spelling of 11221020210 in words is "eleven billion, two hundred twenty-one million, twenty thousand, two hundred ten".