12110100100 has 54 divisors (see below), whose sum is σ = 30569365050. Its totient is φ = 4152032640.

The previous prime is 12110100097. The next prime is 12110100137. The reversal of 12110100100 is 100101121.

It can be written as a sum of positive squares in 3 ways, for example, as 84345856 + 12025754244 = 9184^2 + 109662^2 .

It is a Harshad number since it is a multiple of its sum of digits (7).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1230825 + ... + 1240624.

Almost surely, 2^12110100100 is an apocalyptic number.

12110100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110100100 is an abundant number, since it is smaller than the sum of its proper divisors (18459264950).

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

12110100100 is a wasteful number, since it uses less digits than its factorization.

12110100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471477 (or 2471463 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 12110100100 its reverse (100101121), we get a palindrome (12210201221).

The spelling of 12110100100 in words is "twelve billion, one hundred ten million, one hundred thousand, one hundred".