12101320110 has 48 divisors (see below), whose sum is σ = 31923492048. Its totient is φ = 2933652480.

The previous prime is 12101320087. The next prime is 12101320141. The reversal of 12101320110 is 1102310121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1663219 + ... + 1670478.

It is an arithmetic number, because the mean of its divisors is an integer number (665072751).

Almost surely, 2^12101320110 is an apocalyptic number.

12101320110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101320110 is an abundant number, since it is smaller than the sum of its proper divisors (19822171938).

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

12101320110 is a wasteful number, since it uses less digits than its factorization.

12101320110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333729 (or 3333718 counting only the distinct ones).

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

Adding to 12101320110 its reverse (1102310121), we get a palindrome (13203630231).

The spelling of 12101320110 in words is "twelve billion, one hundred one million, three hundred twenty thousand, one hundred ten".