12121000110101 has 8 divisors (see below), whose sum is σ = 12648103765440. Its totient is φ = 11593905092352.

The previous prime is 12121000110059. The next prime is 12121000110103. The reversal of 12121000110101 is 10101100012121.

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 12121000110101 - 2¹⁰ = 12121000109077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121000110103) 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, 794165 + ... + 4987253.

It is an arithmetic number, because the mean of its divisors is an integer number (1581012970680).

Almost surely, 2^{12121000110101} is an apocalyptic number.

It is an amenable number.

12121000110101 is a deficient number, since it is larger than the sum of its proper divisors (527103655339).

12121000110101 is a wasteful number, since it uses less digits than its factorization.

12121000110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4318795.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12121000110101 its reverse (10101100012121), we get a palindrome (22222100122222).

The spelling of 12121000110101 in words is "twelve trillion, one hundred twenty-one billion, one hundred ten thousand, one hundred one".