11220211210 has 64 divisors (see below), whose sum is σ = 22983367680. Its totient is φ = 3912480000.

The previous prime is 11220211199. The next prime is 11220211267. The reversal of 11220211210 is 1211202211.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212460 + ... + 259960.

It is an arithmetic number, because the mean of its divisors is an integer number (359115120).

Almost surely, 2^11220211210 is an apocalyptic number.

11220211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11220211210 is an abundant number, since it is smaller than the sum of its proper divisors (11763156470).

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

11220211210 is a wasteful number, since it uses less digits than its factorization.

11220211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47623.

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

Adding to 11220211210 its reverse (1211202211), we get a palindrome (12431413421).

The spelling of 11220211210 in words is "eleven billion, two hundred twenty million, two hundred eleven thousand, two hundred ten".