120201101022121 has 12 divisors (see below), whose sum is σ = 140221877595732. Its totient is φ = 102737646832128.

The previous prime is 120201101022077. The next prime is 120201101022157. The reversal of 120201101022121 is 121220101102021.

It can be written as a sum of positive squares in 2 ways, for example, as 46928596698025 + 73272504324096 = 6850445^2 + 8559936^2 .

It is not a de Polignac number, because 120201101022121 - 2⁷ = 120201101021993 is a prime.

It is a super-2 number, since 2×120201101022121² (a number of 29 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 = 120201101022095 and 120201101022104.

It is not an unprimeable number, because it can be changed into a prime (120201101022161) 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 11 ways as a sum of consecutive naturals, for example, 3474605500 + ... + 3474640093.

It is an arithmetic number, because the mean of its divisors is an integer number (11685156466311).

Almost surely, 2^{120201101022121} is an apocalyptic number.

It is an amenable number.

120201101022121 is a deficient number, since it is larger than the sum of its proper divisors (20020776573611).

120201101022121 is an equidigital number, since it uses as much as digits as its factorization.

120201101022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6949245960 (or 6949245953 counting only the distinct ones).

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

Adding to 120201101022121 its reverse (121220101102021), we get a palindrome (241421202124142).

The spelling of 120201101022121 in words is "one hundred twenty trillion, two hundred one billion, one hundred one million, twenty-two thousand, one hundred twenty-one".