11132120100 has 36 divisors (see below), whose sum is σ = 32208935024. Its totient is φ = 2968565280.

The previous prime is 11132120071. The next prime is 11132120101. The reversal of 11132120100 is 102123111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (11132120101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18553234 + ... + 18553833.

Almost surely, 2^11132120100 is an apocalyptic number.

11132120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11132120100 is an abundant number, since it is smaller than the sum of its proper divisors (21076814924).

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

11132120100 is a wasteful number, since it uses less digits than its factorization.

11132120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37107084 (or 37107077 counting only the distinct ones).

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

Adding to 11132120100 its reverse (102123111), we get a palindrome (11234243211).

The spelling of 11132120100 in words is "eleven billion, one hundred thirty-two million, one hundred twenty thousand, one hundred".