1122100110 has 96 divisors (see below), whose sum is σ = 3012396192. Its totient is φ = 289578240.

The previous prime is 1122100069. The next prime is 1122100139. The reversal of 1122100110 is 110012211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1122100092 and 1122100101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 701832 + ... + 703428.

It is an arithmetic number, because the mean of its divisors is an integer number (31379127).

Almost surely, 2^1122100110 is an apocalyptic number.

1122100110 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 1122100110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1506198096).

1122100110 is an abundant number, since it is smaller than the sum of its proper divisors (1890296082).

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

1122100110 is a wasteful number, since it uses less digits than its factorization.

1122100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858 (or 1855 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1122100110 is about 33497.7627611159. The cubic root of 1122100110 is about 1039.1475108474.

Adding to 1122100110 its reverse (110012211), we get a palindrome (1232112321).

The spelling of 1122100110 in words is "one billion, one hundred twenty-two million, one hundred thousand, one hundred ten".