12211010000121 has 32 divisors (see below), whose sum is σ = 17790415441920. Its totient is φ = 7429519944000.

The previous prime is 12211010000089. The next prime is 12211010000171. The reversal of 12211010000121 is 12100001011221.

It is not a de Polignac number, because 12211010000121 - 2⁵ = 12211010000089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12211010000097 and 12211010000106.

It is not an unprimeable number, because it can be changed into a prime (12211010000171) 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, 52530855 + ... + 52762796.

It is an arithmetic number, because the mean of its divisors is an integer number (555950482560).

Almost surely, 2^{12211010000121} is an apocalyptic number.

It is an amenable number.

12211010000121 is a deficient number, since it is larger than the sum of its proper divisors (5579405441799).

12211010000121 is a wasteful number, since it uses less digits than its factorization.

12211010000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105293757.

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

Adding to 12211010000121 its reverse (12100001011221), we get a palindrome (24311011011342).

The spelling of 12211010000121 in words is "twelve trillion, two hundred eleven billion, ten million, one hundred twenty-one", and thus it is an aban number.