121021210202119 has 2 divisors, whose sum is σ = 121021210202120. Its totient is φ = 121021210202118.

The previous prime is 121021210202117. The next prime is 121021210202147. The reversal of 121021210202119 is 911202012120121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121021210202119 - 2¹ = 121021210202117 is a prime.

It is a super-2 number, since 2×121021210202119² (a number of 29 digits) contains 22 as substring.

Together with 121021210202117, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 121021210202093 and 121021210202102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121021210202117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510605101059 + 60510605101060.

It is an arithmetic number, because the mean of its divisors is an integer number (60510605101060).

Almost surely, 2^{121021210202119} is an apocalyptic number.

121021210202119 is a deficient number, since it is larger than the sum of its proper divisors (1).

121021210202119 is an equidigital number, since it uses as much as digits as its factorization.

121021210202119 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 25.

The spelling of 121021210202119 in words is "one hundred twenty-one trillion, twenty-one billion, two hundred ten million, two hundred two thousand, one hundred nineteen".