121202213369 has 2 divisors, whose sum is σ = 121202213370. Its totient is φ = 121202213368.

The previous prime is 121202213311. The next prime is 121202213411. The reversal of 121202213369 is 963312202121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99464544400 + 21737668969 = 315380^2 + 147437^2 .

It is an emirp because it is prime and its reverse (963312202121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121202213369 - 2²⁰ = 121201164793 is a prime.

It is a super-2 number, since 2×121202213369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121202210369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60601106684 + 60601106685.

It is an arithmetic number, because the mean of its divisors is an integer number (60601106685).

Almost surely, 2^121202213369 is an apocalyptic number.

It is an amenable number.

121202213369 is a deficient number, since it is larger than the sum of its proper divisors (1).

121202213369 is an equidigital number, since it uses as much as digits as its factorization.

121202213369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 121202213369 in words is "one hundred twenty-one billion, two hundred two million, two hundred thirteen thousand, three hundred sixty-nine".