12101000211211 has 2 divisors, whose sum is σ = 12101000211212. Its totient is φ = 12101000211210.

The previous prime is 12101000211199. The next prime is 12101000211253. The reversal of 12101000211211 is 11211200010121.

It is a happy number.

12101000211211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12101000211211 - 2³⁹ = 11551244397323 is a prime.

It is a super-2 number, since 2×12101000211211² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12101000211191 and 12101000211200.

It is not a weakly prime, because it can be changed into another prime (12101000211271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050500105605 + 6050500105606.

It is an arithmetic number, because the mean of its divisors is an integer number (6050500105606).

Almost surely, 2^{12101000211211} is an apocalyptic number.

12101000211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101000211211 is an equidigital number, since it uses as much as digits as its factorization.

12101000211211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12101000211211 its reverse (11211200010121), we get a palindrome (23312200221332).

The spelling of 12101000211211 in words is "twelve trillion, one hundred one billion, two hundred eleven thousand, two hundred eleven".