2221235119121 has 2 divisors, whose sum is σ = 2221235119122. Its totient is φ = 2221235119120.

The previous prime is 2221235119027. The next prime is 2221235119157. The reversal of 2221235119121 is 1219115321222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1630933326400 + 590301792721 = 1277080^2 + 768311^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221235119121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2221235113121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110617559560 + 1110617559561.

It is an arithmetic number, because the mean of its divisors is an integer number (1110617559561).

Almost surely, 2^{2221235119121} is an apocalyptic number.

It is an amenable number.

2221235119121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221235119121 is an equidigital number, since it uses as much as digits as its factorization.

2221235119121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 32.

The spelling of 2221235119121 in words is "two trillion, two hundred twenty-one billion, two hundred thirty-five million, one hundred nineteen thousand, one hundred twenty-one".