2421219187111 has 2 divisors, whose sum is σ = 2421219187112. Its totient is φ = 2421219187110.

The previous prime is 2421219187087. The next prime is 2421219187129. The reversal of 2421219187111 is 1117819121242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2421219187111 - 2⁷ = 2421219186983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421219187711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210609593555 + 1210609593556.

It is an arithmetic number, because the mean of its divisors is an integer number (1210609593556).

Almost surely, 2^{2421219187111} is an apocalyptic number.

2421219187111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421219187111 is an equidigital number, since it uses as much as digits as its factorization.

2421219187111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 40.

The spelling of 2421219187111 in words is "two trillion, four hundred twenty-one billion, two hundred nineteen million, one hundred eighty-seven thousand, one hundred eleven".