121102010012121 has 8 divisors (see below), whose sum is σ = 161470322089920. Its totient is φ = 80734185637872.

The previous prime is 121102010012063. The next prime is 121102010012239. The reversal of 121102010012121 is 121210010201121.

It is a happy number.

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

It is not a de Polignac number, because 121102010012121 - 2⁶ = 121102010012057 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121102010012121.

It is not an unprimeable number, because it can be changed into a prime (121102010012021) 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, 121346101 + ... + 122340018.

It is an arithmetic number, because the mean of its divisors is an integer number (20183790261240).

Almost surely, 2^{121102010012121} is an apocalyptic number.

It is an amenable number.

121102010012121 is a deficient number, since it is larger than the sum of its proper divisors (40368312077799).

121102010012121 is a wasteful number, since it uses less digits than its factorization.

121102010012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243851775.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121102010012121 its reverse (121210010201121), we get a palindrome (242312020213242).

The spelling of 121102010012121 in words is "one hundred twenty-one trillion, one hundred two billion, ten million, twelve thousand, one hundred twenty-one".