121211010212219 has 2 divisors, whose sum is σ = 121211010212220. Its totient is φ = 121211010212218.

The previous prime is 121211010212209. The next prime is 121211010212287. The reversal of 121211010212219 is 912212010112121.

It is a weak prime.

It is an emirp because it is prime and its reverse (912212010112121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121211010212219 - 2⁴ = 121211010212203 is a prime.

It is a super-2 number, since 2×121211010212219² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121211010212209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605505106109 + 60605505106110.

It is an arithmetic number, because the mean of its divisors is an integer number (60605505106110).

Almost surely, 2^{121211010212219} is an apocalyptic number.

121211010212219 is a deficient number, since it is larger than the sum of its proper divisors (1).

121211010212219 is an equidigital number, since it uses as much as digits as its factorization.

121211010212219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 121211010212219 in words is "one hundred twenty-one trillion, two hundred eleven billion, ten million, two hundred twelve thousand, two hundred nineteen".