2121201221119 has 2 divisors, whose sum is σ = 2121201221120. Its totient is φ = 2121201221118.

The previous prime is 2121201221099. The next prime is 2121201221137. The reversal of 2121201221119 is 9111221021212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121201221119 is a prime.

It is a super-2 number, since 2×2121201221119² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121201221093 and 2121201221102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121201221179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060600610559 + 1060600610560.

It is an arithmetic number, because the mean of its divisors is an integer number (1060600610560).

Almost surely, 2^{2121201221119} is an apocalyptic number.

2121201221119 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121201221119 is an equidigital number, since it uses as much as digits as its factorization.

2121201221119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 2121201221119 in words is "two trillion, one hundred twenty-one billion, two hundred one million, two hundred twenty-one thousand, one hundred nineteen".