120010200121 has 4 divisors (see below), whose sum is σ = 137154514432. Its totient is φ = 102865885812.

The previous prime is 120010200113. The next prime is 120010200161. The reversal of 120010200121 is 121002010021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121002010021 = 3797 ⋅31867793.

It is a cyclic number.

It is not a de Polignac number, because 120010200121 - 2³ = 120010200113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120010200098 and 120010200107.

It is not an unprimeable number, because it can be changed into a prime (120010200161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8572157145 + ... + 8572157158.

It is an arithmetic number, because the mean of its divisors is an integer number (34288628608).

Almost surely, 2^120010200121 is an apocalyptic number.

It is an amenable number.

120010200121 is a deficient number, since it is larger than the sum of its proper divisors (17144314311).

120010200121 is an equidigital number, since it uses as much as digits as its factorization.

120010200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17144314310.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120010200121 its reverse (121002010021), we get a palindrome (241012210142).

The spelling of 120010200121 in words is "one hundred twenty billion, ten million, two hundred thousand, one hundred twenty-one".