1122330100 has 72 divisors (see below), whose sum is σ = 2505929888. Its totient is φ = 436060800.

The previous prime is 1122330059. The next prime is 1122330101. The reversal of 1122330100 is 10332211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122330101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 906682 + ... + 907918.

Almost surely, 2^1122330100 is an apocalyptic number.

1122330100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122330100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1252964944).

1122330100 is an abundant number, since it is smaller than the sum of its proper divisors (1383599788).

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

1122330100 is a wasteful number, since it uses less digits than its factorization.

1122330100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1122330100 is about 33501.1955010564. The cubic root of 1122330100 is about 1039.2185019017.

Adding to 1122330100 its reverse (10332211), we get a palindrome (1132662311).

The spelling of 1122330100 in words is "one billion, one hundred twenty-two million, three hundred thirty thousand, one hundred".