1123201110 has 16 divisors (see below), whose sum is σ = 2695682736. Its totient is φ = 299520288.

The previous prime is 1123201097. The next prime is 1123201127. The reversal of 1123201110 is 111023211.

It is a congruent number.

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, 18719989 + ... + 18720048.

It is an arithmetic number, because the mean of its divisors is an integer number (168480171).

Almost surely, 2^1123201110 is an apocalyptic number.

1123201110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123201110 is an abundant number, since it is smaller than the sum of its proper divisors (1572481626).

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

1123201110 is a wasteful number, since it uses less digits than its factorization.

1123201110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37440047.

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

The square root of 1123201110 is about 33514.1926651978. The cubic root of 1123201110 is about 1039.4872688325.

Adding to 1123201110 its reverse (111023211), we get a palindrome (1234224321).

The spelling of 1123201110 in words is "one billion, one hundred twenty-three million, two hundred one thousand, one hundred ten".