121010010202019 has 2 divisors, whose sum is σ = 121010010202020. Its totient is φ = 121010010202018.

The previous prime is 121010010201979. The next prime is 121010010202051. The reversal of 121010010202019 is 910202010010121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121010010202019 - 2²⁰ = 121010009153443 is a prime.

It is a super-2 number, since 2×121010010202019² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121010010202519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505005101009 + 60505005101010.

It is an arithmetic number, because the mean of its divisors is an integer number (60505005101010).

Almost surely, 2^{121010010202019} is an apocalyptic number.

121010010202019 is a deficient number, since it is larger than the sum of its proper divisors (1).

121010010202019 is an equidigital number, since it uses as much as digits as its factorization.

121010010202019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 121010010202019 in words is "one hundred twenty-one trillion, ten billion, ten million, two hundred two thousand, nineteen".