11121122210 has 16 divisors (see below), whose sum is σ = 21837840192. Its totient is φ = 4044044400.

The previous prime is 11121122197. The next prime is 11121122231. The reversal of 11121122210 is 1222112111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50550446 + ... + 50550665.

It is an arithmetic number, because the mean of its divisors is an integer number (1364865012).

Almost surely, 2^11121122210 is an apocalyptic number.

11121122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121122210 is a deficient number, since it is larger than the sum of its proper divisors (10716717982).

11121122210 is a wasteful number, since it uses less digits than its factorization.

11121122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101101129.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11121122210 its reverse (1222112111), we get a palindrome (12343234321).

It can be divided in two parts, 11121 and 122210, that added together give a palindrome (133331).

The spelling of 11121122210 in words is "eleven billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred ten".