11133420100 has 72 divisors (see below), whose sum is σ = 26413496928. Its totient is φ = 4039660800.

The previous prime is 11133420079. The next prime is 11133420161. The reversal of 11133420100 is 102433111.

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, 502864 + ... + 524536.

It is an arithmetic number, because the mean of its divisors is an integer number (366854124).

Almost surely, 2^11133420100 is an apocalyptic number.

11133420100 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 11133420100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13206748464).

11133420100 is an abundant number, since it is smaller than the sum of its proper divisors (15280076828).

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

11133420100 is a wasteful number, since it uses less digits than its factorization.

11133420100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22165 (or 22158 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11133420100 its reverse (102433111), we get a palindrome (11235853211).

The spelling of 11133420100 in words is "eleven billion, one hundred thirty-three million, four hundred twenty thousand, one hundred".