12021101031211 has 2 divisors, whose sum is σ = 12021101031212. Its totient is φ = 12021101031210.

The previous prime is 12021101031143. The next prime is 12021101031217. The reversal of 12021101031211 is 11213010112021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11213010112021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12021101031211 - 2¹⁵ = 12021100998443 is a prime.

It is a super-2 number, since 2×12021101031211² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12021101031217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010550515605 + 6010550515606.

It is an arithmetic number, because the mean of its divisors is an integer number (6010550515606).

Almost surely, 2^{12021101031211} is an apocalyptic number.

12021101031211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021101031211 is an equidigital number, since it uses as much as digits as its factorization.

12021101031211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12021101031211 its reverse (11213010112021), we get a palindrome (23234111143232).

The spelling of 12021101031211 in words is "twelve trillion, twenty-one billion, one hundred one million, thirty-one thousand, two hundred eleven".