1122220110 has 64 divisors (see below), whose sum is σ = 2947186944. Its totient is φ = 271219200.

The previous prime is 1122220093. The next prime is 1122220139. The reversal of 1122220110 is 110222211.

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, 106165 + ... + 116255.

It is an arithmetic number, because the mean of its divisors is an integer number (46049796).

Almost surely, 2^1122220110 is an apocalyptic number.

1122220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122220110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1473593472).

1122220110 is an abundant number, since it is smaller than the sum of its proper divisors (1824966834).

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

1122220110 is a wasteful number, since it uses less digits than its factorization.

1122220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10449.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1122220110 is about 33499.5538776265. The cubic root of 1122220110 is about 1039.1845524790.

Adding to 1122220110 its reverse (110222211), we get a palindrome (1232442321).

It can be divided in two parts, 11222201 and 10, that added together give a palindrome (11222211).

The spelling of 1122220110 in words is "one billion, one hundred twenty-two million, two hundred twenty thousand, one hundred ten".