12110421100 has 36 divisors (see below), whose sum is σ = 26890777144. Its totient is φ = 4731511680.

The previous prime is 12110421091. The next prime is 12110421109. The reversal of 12110421100 is 112401121.

It is an interprime number because it is at equal distance from previous prime (12110421091) and next prime (12110421109).

It is not an unprimeable number, because it can be changed into a prime (12110421109) 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, 1403889 + ... + 1412488.

Almost surely, 2^12110421100 is an apocalyptic number.

12110421100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110421100 is an abundant number, since it is smaller than the sum of its proper divisors (14780356044).

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

12110421100 is a wasteful number, since it uses less digits than its factorization.

12110421100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816434 (or 2816427 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12110421100 its reverse (112401121), we get a palindrome (12222822221).

The spelling of 12110421100 in words is "twelve billion, one hundred ten million, four hundred twenty-one thousand, one hundred".