121093065853 has 2 divisors, whose sum is σ = 121093065854. Its totient is φ = 121093065852.

The previous prime is 121093065829. The next prime is 121093065871. The reversal of 121093065853 is 358560390121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105428791204 + 15664274649 = 324698^2 + 125157^2 .

It is a cyclic number.

It is not a de Polignac number, because 121093065853 - 2³³ = 112503131261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121093065253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60546532926 + 60546532927.

It is an arithmetic number, because the mean of its divisors is an integer number (60546532927).

Almost surely, 2^121093065853 is an apocalyptic number.

It is an amenable number.

121093065853 is a deficient number, since it is larger than the sum of its proper divisors (1).

121093065853 is an equidigital number, since it uses as much as digits as its factorization.

121093065853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 121093065853 in words is "one hundred twenty-one billion, ninety-three million, sixty-five thousand, eight hundred fifty-three".