12121022111301 has 16 divisors (see below), whose sum is σ = 17989898097600. Its totient is φ = 8065908671184.

The previous prime is 12121022111239. The next prime is 12121022111333. The reversal of 12121022111301 is 10311122012121.

It is a happy number.

12121022111301 is a `hidden beast` number, since 1 + 21 + 210 + 22 + 111 + 301 = 666.

It is not a de Polignac number, because 12121022111301 - 2¹³ = 12121022103109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121022111381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410338746 + ... + 410368283.

It is an arithmetic number, because the mean of its divisors is an integer number (1124368631100).

Almost surely, 2^{12121022111301} is an apocalyptic number.

It is an amenable number.

12121022111301 is a deficient number, since it is larger than the sum of its proper divisors (5868875986299).

12121022111301 is an equidigital number, since it uses as much as digits as its factorization.

12121022111301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820707585 (or 820707579 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 12121022111301 its reverse (10311122012121), we get a palindrome (22432144123422).

The spelling of 12121022111301 in words is "twelve trillion, one hundred twenty-one billion, twenty-two million, one hundred eleven thousand, three hundred one".