11123223133100 has 72 divisors (see below), whose sum is σ = 25994726158128. Its totient is φ = 4106939961600.

The previous prime is 11123223133081. The next prime is 11123223133117. The reversal of 11123223133100 is 133132232111.

It is a super-2 number, since 2×11123223133100² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79941590 + ... + 80080610.

Almost surely, 2^{11123223133100} is an apocalyptic number.

11123223133100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11123223133100 is an abundant number, since it is smaller than the sum of its proper divisors (14871503025028).

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

11123223133100 is a wasteful number, since it uses less digits than its factorization.

11123223133100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200595 (or 200588 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 11123223133100 its reverse (133132232111), we get a palindrome (11256355365211).

The spelling of 11123223133100 in words is "eleven trillion, one hundred twenty-three billion, two hundred twenty-three million, one hundred thirty-three thousand, one hundred".