120020101121 has 4 divisors (see below), whose sum is σ = 120034348500. Its totient is φ = 120005853744.

The previous prime is 120020101111. The next prime is 120020101127. The reversal of 120020101121 is 121101020021.

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 50290305025 + 69729796096 = 224255^2 + 264064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120020101121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120020101127) 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, 7111046 + ... + 7127903.

It is an arithmetic number, because the mean of its divisors is an integer number (30008587125).

Almost surely, 2^120020101121 is an apocalyptic number.

It is an amenable number.

120020101121 is a deficient number, since it is larger than the sum of its proper divisors (14247379).

120020101121 is an equidigital number, since it uses as much as digits as its factorization.

120020101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14247378.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120020101121 its reverse (121101020021), we get a palindrome (241121121142).

The spelling of 120020101121 in words is "one hundred twenty billion, twenty million, one hundred one thousand, one hundred twenty-one".