121001322913 has 2 divisors, whose sum is σ = 121001322914. Its totient is φ = 121001322912.

The previous prime is 121001322887. The next prime is 121001322983. The reversal of 121001322913 is 319223100121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110497737744 + 10503585169 = 332412^2 + 102487^2 .

It is a cyclic number.

It is not a de Polignac number, because 121001322913 - 2¹⁷ = 121001191841 is a prime.

It is not a weakly prime, because it can be changed into another prime (121001322983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500661456 + 60500661457.

It is an arithmetic number, because the mean of its divisors is an integer number (60500661457).

Almost surely, 2^121001322913 is an apocalyptic number.

It is an amenable number.

121001322913 is a deficient number, since it is larger than the sum of its proper divisors (1).

121001322913 is an equidigital number, since it uses as much as digits as its factorization.

121001322913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 121001322913 in words is "one hundred twenty-one billion, one million, three hundred twenty-two thousand, nine hundred thirteen".