121001121201121 has 8 divisors (see below), whose sum is σ = 138319913329664. Its totient is φ = 103690558490400.

The previous prime is 121001121201089. The next prime is 121001121201151. The reversal of 121001121201121 is 121102121100121.

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

It is not a de Polignac number, because 121001121201121 - 2⁵ = 121001121201089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121001121201095 and 121001121201104.

It is not an unprimeable number, because it can be changed into a prime (121001121201151) 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, 2057322945 + ... + 2057381758.

It is an arithmetic number, because the mean of its divisors is an integer number (17289989166208).

Almost surely, 2^{121001121201121} is an apocalyptic number.

It is an amenable number.

121001121201121 is a deficient number, since it is larger than the sum of its proper divisors (17318792128543).

121001121201121 is an equidigital number, since it uses as much as digits as its factorization.

121001121201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114708911.

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

Adding to 121001121201121 its reverse (121102121100121), we get a palindrome (242103242301242).

The spelling of 121001121201121 in words is "one hundred twenty-one trillion, one billion, one hundred twenty-one million, two hundred one thousand, one hundred twenty-one".