11320012100 has 36 divisors (see below), whose sum is σ = 24571018500. Its totient is φ = 4526789760.

The previous prime is 11320012069. The next prime is 11320012103. The reversal of 11320012100 is 121002311.

It can be written as a sum of positive squares in 6 ways, for example, as 5273083456 + 6046928644 = 72616^2 + 77762^2 .

It is not an unprimeable number, because it can be changed into a prime (11320012103) 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, 421886 + ... + 447914.

Almost surely, 2^11320012100 is an apocalyptic number.

11320012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11320012100 is an abundant number, since it is smaller than the sum of its proper divisors (13251006400).

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

11320012100 is a wasteful number, since it uses less digits than its factorization.

11320012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30392 (or 30385 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11320012100 its reverse (121002311), we get a palindrome (11441014411).

The spelling of 11320012100 in words is "eleven billion, three hundred twenty million, twelve thousand, one hundred".