121210020241121 has 8 divisors (see below), whose sum is σ = 138721119282240. Its totient is φ = 103747766665968.

The previous prime is 121210020241117. The next prime is 121210020241133. The reversal of 121210020241121 is 121142020012121.

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 121210020241121 - 2² = 121210020241117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121210020241093 and 121210020241102.

It is not an unprimeable number, because it can be changed into a prime (121210020241721) 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, 12211361171 + ... + 12211371096.

It is an arithmetic number, because the mean of its divisors is an integer number (17340139910280).

Almost surely, 2^{121210020241121} is an apocalyptic number.

It is an amenable number.

121210020241121 is a deficient number, since it is larger than the sum of its proper divisors (17511099041119).

121210020241121 is an equidigital number, since it uses as much as digits as its factorization.

121210020241121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24422732983.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121210020241121 its reverse (121142020012121), we get a palindrome (242352040253242).

The spelling of 121210020241121 in words is "one hundred twenty-one trillion, two hundred ten billion, twenty million, two hundred forty-one thousand, one hundred twenty-one".