12011021103100 has 36 divisors (see below), whose sum is σ = 26071012674784. Its totient is φ = 4803100260480.

The previous prime is 12011021103079. The next prime is 12011021103127. The reversal of 12011021103100 is 130112011021.

It is a happy number.

It is a super-2 number, since 2×12011021103100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15983124 + ... + 16717723.

Almost surely, 2^{12011021103100} is an apocalyptic number.

12011021103100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011021103100 is an abundant number, since it is smaller than the sum of its proper divisors (14059991571684).

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

12011021103100 is a wasteful number, since it uses less digits than its factorization.

12011021103100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32704534 (or 32704527 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12011021103100 its reverse (130112011021), we get a palindrome (12141133114121).

The spelling of 12011021103100 in words is "twelve trillion, eleven billion, twenty-one million, one hundred three thousand, one hundred".