121021102313219 has 2 divisors, whose sum is σ = 121021102313220. Its totient is φ = 121021102313218.

The previous prime is 121021102313197. The next prime is 121021102313327. The reversal of 121021102313219 is 912313201120121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121021102313219 - 2⁴⁴ = 103428916268803 is a prime.

It is a super-2 number, since 2×121021102313219² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121021102313191 and 121021102313200.

It is not a weakly prime, because it can be changed into another prime (121021102913219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510551156609 + 60510551156610.

It is an arithmetic number, because the mean of its divisors is an integer number (60510551156610).

Almost surely, 2^{121021102313219} is an apocalyptic number.

121021102313219 is a deficient number, since it is larger than the sum of its proper divisors (1).

121021102313219 is an equidigital number, since it uses as much as digits as its factorization.

121021102313219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 121021102313219 in words is "one hundred twenty-one trillion, twenty-one billion, one hundred two million, three hundred thirteen thousand, two hundred nineteen".