11220220210 has 16 divisors (see below), whose sum is σ = 20423323800. Its totient is φ = 4437659776.

The previous prime is 11220220171. The next prime is 11220220211. The reversal of 11220220210 is 1202202211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10502355361 + 717864849 = 102481^2 + 26793^2 .

It is not an unprimeable number, because it can be changed into a prime (11220220211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6302605 + ... + 6304384.

Almost surely, 2^11220220210 is an apocalyptic number.

11220220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11220220210 is a deficient number, since it is larger than the sum of its proper divisors (9203103590).

11220220210 is a wasteful number, since it uses less digits than its factorization.

11220220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12607085.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11220220210 its reverse (1202202211), we get a palindrome (12422422421).

The spelling of 11220220210 in words is "eleven billion, two hundred twenty million, two hundred twenty thousand, two hundred ten".