11212210230 has 64 divisors (see below), whose sum is σ = 29260707840. Its totient is φ = 2733123456.

The previous prime is 11212210201. The next prime is 11212210241. The reversal of 11212210230 is 3201221211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 99390 + ... + 179729.

It is an arithmetic number, because the mean of its divisors is an integer number (457198560).

Almost surely, 2^11212210230 is an apocalyptic number.

11212210230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212210230 is an abundant number, since it is smaller than the sum of its proper divisors (18048497610).

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

11212210230 is a wasteful number, since it uses less digits than its factorization.

11212210230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279245.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11212210230 its reverse (3201221211), we get a palindrome (14413431441).

The spelling of 11212210230 in words is "eleven billion, two hundred twelve million, two hundred ten thousand, two hundred thirty".