11112220210 has 32 divisors (see below), whose sum is σ = 24617843712. Its totient is φ = 3516834240.

The previous prime is 11112220159. The next prime is 11112220267. The reversal of 11112220210 is 1202221111.

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 15 ways as a sum of consecutive naturals, for example, 6104706 + ... + 6106525.

It is an arithmetic number, because the mean of its divisors is an integer number (769307616).

Almost surely, 2^11112220210 is an apocalyptic number.

11112220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112220210 is an abundant number, since it is smaller than the sum of its proper divisors (13505623502).

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

11112220210 is a wasteful number, since it uses less digits than its factorization.

11112220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12211258.

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

Adding to 11112220210 its reverse (1202221111), we get a palindrome (12314441321).

Subtracting from 11112220210 its reverse (1202221111), we obtain a palindrome (9909999099).

The spelling of 11112220210 in words is "eleven billion, one hundred twelve million, two hundred twenty thousand, two hundred ten".