121319285701 has 2 divisors, whose sum is σ = 121319285702. Its totient is φ = 121319285700.

The previous prime is 121319285699. The next prime is 121319285713. The reversal of 121319285701 is 107582913121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81068895076 + 40250390625 = 284726^2 + 200625^2 .

It is an emirp because it is prime and its reverse (107582913121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121319285701 - 2¹ = 121319285699 is a prime.

It is a super-2 number, since 2×121319285701² (a number of 23 digits) contains 22 as substring.

Together with 121319285699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121319280701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60659642850 + 60659642851.

It is an arithmetic number, because the mean of its divisors is an integer number (60659642851).

Almost surely, 2^121319285701 is an apocalyptic number.

It is an amenable number.

121319285701 is a deficient number, since it is larger than the sum of its proper divisors (1).

121319285701 is an equidigital number, since it uses as much as digits as its factorization.

121319285701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 40.

The spelling of 121319285701 in words is "one hundred twenty-one billion, three hundred nineteen million, two hundred eighty-five thousand, seven hundred one".