12100220110122 has 32 divisors (see below), whose sum is σ = 24288020420544. Its totient is φ = 4018827091200.

The previous prime is 12100220110091. The next prime is 12100220110127. The reversal of 12100220110122 is 22101102200121.

It is not an unprimeable number, because it can be changed into a prime (12100220110127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 698472 + ... + 4968732.

It is an arithmetic number, because the mean of its divisors is an integer number (759000638142).

Almost surely, 2^{12100220110122} is an apocalyptic number.

12100220110122 is an abundant number, since it is smaller than the sum of its proper divisors (12187800310422).

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

12100220110122 is a wasteful number, since it uses less digits than its factorization.

12100220110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271974.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12100220110122 its reverse (22101102200121), we get a palindrome (34201322310243).

The spelling of 12100220110122 in words is "twelve trillion, one hundred billion, two hundred twenty million, one hundred ten thousand, one hundred twenty-two".