100110210001121 has 4 divisors (see below), whose sum is σ = 100133748733332. Its totient is φ = 100086671268912.

The previous prime is 100110210001117. The next prime is 100110210001129. The reversal of 100110210001121 is 121100012011001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64420769325025 + 35689440676096 = 8026255^2 + 5974064^2 .

It is a cyclic number.

It is not a de Polignac number, because 100110210001121 - 2² = 100110210001117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100110210001129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11769359726 + ... + 11769368231.

It is an arithmetic number, because the mean of its divisors is an integer number (25033437183333).

Almost surely, 2^{100110210001121} is an apocalyptic number.

It is an amenable number.

100110210001121 is a deficient number, since it is larger than the sum of its proper divisors (23538732211).

100110210001121 is an equidigital number, since it uses as much as digits as its factorization.

100110210001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23538732210.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100110210001121 its reverse (121100012011001), we get a palindrome (221210222012122).

The spelling of 100110210001121 in words is "one hundred trillion, one hundred ten billion, two hundred ten million, one thousand, one hundred twenty-one".