11112220210210 has 64 divisors (see below), whose sum is σ = 23332418323200. Its totient is φ = 3808846487040.

The previous prime is 11112220210199. The next prime is 11112220210241. The reversal of 11112220210210 is 1201202221111.

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, 11958465 + ... + 12854155.

It is an arithmetic number, because the mean of its divisors is an integer number (364569036300).

Almost surely, 2^{11112220210210} is an apocalyptic number.

11112220210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112220210210 is an abundant number, since it is smaller than the sum of its proper divisors (12220198112990).

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

11112220210210 is an equidigital number, since it uses as much as digits as its factorization.

11112220210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899336 (or 899322 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11112220210210 its reverse (1201202221111), we get a palindrome (12313422431321).

The spelling of 11112220210210 in words is "eleven trillion, one hundred twelve billion, two hundred twenty million, two hundred ten thousand, two hundred ten".