120203110121 has 8 divisors (see below), whose sum is σ = 121904221824. Its totient is φ = 118502223840.

The previous prime is 120203110109. The next prime is 120203110151. The reversal of 120203110121 is 121011302021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120203110121 - 2⁶ = 120203110057 is a prime.

It is a super-2 number, since 2×120203110121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120203110096 and 120203110105.

It is not an unprimeable number, because it can be changed into a prime (120203110151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220885 + ... + 1315661.

It is an arithmetic number, because the mean of its divisors is an integer number (15238027728).

Almost surely, 2^120203110121 is an apocalyptic number.

It is an amenable number.

120203110121 is a deficient number, since it is larger than the sum of its proper divisors (1701111703).

120203110121 is an equidigital number, since it uses as much as digits as its factorization.

120203110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112711.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 120203110121 its reverse (121011302021), we get a palindrome (241214412142).

The spelling of 120203110121 in words is "one hundred twenty billion, two hundred three million, one hundred ten thousand, one hundred twenty-one".