11122122210 has 64 divisors (see below), whose sum is σ = 26830732032. Its totient is φ = 2950649856.

The previous prime is 11122122197. The next prime is 11122122217. The reversal of 11122122210 is 1222122111.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11122122210.

It is not an unprimeable number, because it can be changed into a prime (11122122217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6236979 + ... + 6238761.

It is an arithmetic number, because the mean of its divisors is an integer number (419230188).

Almost surely, 2^11122122210 is an apocalyptic number.

11122122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11122122210 is an abundant number, since it is smaller than the sum of its proper divisors (15708609822).

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

11122122210 is a wasteful number, since it uses less digits than its factorization.

11122122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11122122210 its reverse (1222122111), we get a palindrome (12344244321).

Subtracting from 11122122210 its reverse (1222122111), we obtain a palindrome (9900000099).

The spelling of 11122122210 in words is "eleven billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred ten".