120100001211101 has 4 divisors (see below), whose sum is σ = 120102619583100. Its totient is φ = 120097382839104.

The previous prime is 120100001211089. The next prime is 120100001211293. The reversal of 120100001211101 is 101112100001021.

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 80805896424100 + 39294104787001 = 8989210^2 + 6268501^2 .

It is a cyclic number.

It is not a de Polignac number, because 120100001211101 - 2²⁶ = 120099934102237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100001211301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1309117196 + ... + 1309208933.

It is an arithmetic number, because the mean of its divisors is an integer number (30025654895775).

Almost surely, 2^{120100001211101} is an apocalyptic number.

It is an amenable number.

120100001211101 is a deficient number, since it is larger than the sum of its proper divisors (2618371999).

120100001211101 is an equidigital number, since it uses as much as digits as its factorization.

120100001211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618371998.

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

Adding to 120100001211101 its reverse (101112100001021), we get a palindrome (221212101212122).

The spelling of 120100001211101 in words is "one hundred twenty trillion, one hundred billion, one million, two hundred eleven thousand, one hundred one".