11021220210 has 128 divisors (see below), whose sum is σ = 35514630144. Its totient is φ = 2113954560.

The previous prime is 11021220193. The next prime is 11021220239. The reversal of 11021220210 is 1202212011.

11021220210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 63 ways as a sum of consecutive naturals, for example, 153474 + ... + 213533.

It is an arithmetic number, because the mean of its divisors is an integer number (277458048).

Almost surely, 2^11021220210 is an apocalyptic number.

11021220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11021220210 is an abundant number, since it is smaller than the sum of its proper divisors (24493409934).

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

11021220210 is a wasteful number, since it uses less digits than its factorization.

11021220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367048.

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

Adding to 11021220210 its reverse (1202212011), we get a palindrome (12223432221).

The spelling of 11021220210 in words is "eleven billion, twenty-one million, two hundred twenty thousand, two hundred ten".