10121000020121 has 8 divisors (see below), whose sum is σ = 10225635619584. Its totient is φ = 10016370449280.

The previous prime is 10121000020111. The next prime is 10121000020133. The reversal of 10121000020121 is 12102000012101.

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 10121000020121 - 2⁶ = 10121000020057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10121000020111) 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, 1907636 + ... + 4886826.

It is an arithmetic number, because the mean of its divisors is an integer number (1278204452448).

Almost surely, 2^{10121000020121} is an apocalyptic number.

It is an amenable number.

10121000020121 is a deficient number, since it is larger than the sum of its proper divisors (104635599463).

10121000020121 is an equidigital number, since it uses as much as digits as its factorization.

10121000020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014311.

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

Adding to 10121000020121 its reverse (12102000012101), we get a palindrome (22223000032222).

The spelling of 10121000020121 in words is "ten trillion, one hundred twenty-one billion, twenty thousand, one hundred twenty-one".