11203220210 has 128 divisors (see below), whose sum is σ = 25363666944. Its totient is φ = 3468718080.

The previous prime is 11203220209. The next prime is 11203220219. The reversal of 11203220210 is 1202230211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11203220219) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9100295 + ... + 9101525.

It is an arithmetic number, because the mean of its divisors is an integer number (198153648).

Almost surely, 2^11203220210 is an apocalyptic number.

11203220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11203220210 is an abundant number, since it is smaller than the sum of its proper divisors (14160446734).

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

11203220210 is a wasteful number, since it uses less digits than its factorization.

11203220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11203220210 its reverse (1202230211), we get a palindrome (12405450421).

The spelling of 11203220210 in words is "eleven billion, two hundred three million, two hundred twenty thousand, two hundred ten".