1123222200100 has 864 divisors, whose sum is σ = 3539900931840. Its totient is φ = 300083097600.

The previous prime is 1123222200049. The next prime is 1123222200137. The reversal of 1123222200100 is 10022223211.

It is a happy number.

It is a super-2 number, since 2×1123222200100² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1108807194 + ... + 1108808206.

It is an arithmetic number, because the mean of its divisors is an integer number (4097107560).

Almost surely, 2^{1123222200100} is an apocalyptic number.

1123222200100 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 1123222200100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769950465920).

1123222200100 is an abundant number, since it is smaller than the sum of its proper divisors (2416678731740).

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

1123222200100 is a wasteful number, since it uses less digits than its factorization.

1123222200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1123222200100 its reverse (10022223211), we get a palindrome (1133244423311).

The spelling of 1123222200100 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-two million, two hundred thousand, one hundred".