12101000120121 has 32 divisors (see below), whose sum is σ = 17641244472192. Its totient is φ = 7317374607360.

The previous prime is 12101000119997. The next prime is 12101000120149. The reversal of 12101000120121 is 12102100010121.

It is not a de Polignac number, because 12101000120121 - 2¹⁷ = 12100999989049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12101000120097 and 12101000120106.

It is not an unprimeable number, because it can be changed into a prime (12101000120191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34128081 + ... + 34480833.

It is an arithmetic number, because the mean of its divisors is an integer number (551288889756).

Almost surely, 2^{12101000120121} is an apocalyptic number.

12101000120121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12101000120121 is a deficient number, since it is larger than the sum of its proper divisors (5540244352071).

12101000120121 is a wasteful number, since it uses less digits than its factorization.

12101000120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355113.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12101000120121 its reverse (12102100010121), we get a palindrome (24203100130242).

The spelling of 12101000120121 in words is "twelve trillion, one hundred one billion, one hundred twenty thousand, one hundred twenty-one".