120100120122121 has 4 divisors (see below), whose sum is σ = 120103762753744. Its totient is φ = 120096477490500.

The previous prime is 120100120122097. The next prime is 120100120122127. The reversal of 120100120122121 is 121221021001021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120100120122121 - 2⁵ = 120100120122089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120100120122095 and 120100120122104.

It is not an unprimeable number, because it can be changed into a prime (120100120122127) 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, 1821266355 + ... + 1821332296.

It is an arithmetic number, because the mean of its divisors is an integer number (30025940688436).

Almost surely, 2^{120100120122121} is an apocalyptic number.

It is an amenable number.

120100120122121 is a deficient number, since it is larger than the sum of its proper divisors (3642631623).

120100120122121 is an equidigital number, since it uses as much as digits as its factorization.

120100120122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642631622.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120100120122121 its reverse (121221021001021), we get a palindrome (241321141123142).

The spelling of 120100120122121 in words is "one hundred twenty trillion, one hundred billion, one hundred twenty million, one hundred twenty-two thousand, one hundred twenty-one".