12100002201105 has 128 divisors (see below), whose sum is σ = 24470388182016. Its totient is φ = 4968843264000.

The previous prime is 12100002200977. The next prime is 12100002201113. The reversal of 12100002201105 is 50110220000121.

It is not a de Polignac number, because 12100002201105 - 2⁷ = 12100002200977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 21945805 + ... + 22490405.

It is an arithmetic number, because the mean of its divisors is an integer number (191174907672).

Almost surely, 2^{12100002201105} is an apocalyptic number.

12100002201105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12100002201105 is an abundant number, since it is smaller than the sum of its proper divisors (12370385980911).

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

12100002201105 is a wasteful number, since it uses less digits than its factorization.

12100002201105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545067.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 12100002201105 its reverse (50110220000121), we get a palindrome (62210222201226).

The spelling of 12100002201105 in words is "twelve trillion, one hundred billion, two million, two hundred one thousand, one hundred five".