120122121013 has 2 divisors, whose sum is σ = 120122121014. Its totient is φ = 120122121012.

The previous prime is 120122120977. The next prime is 120122121029. The reversal of 120122121013 is 310121221021.

It is an a-pointer prime, because the next prime (120122121029) can be obtained adding 120122121013 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97308435249 + 22813685764 = 311943^2 + 151042^2 .

It is an emirp because it is prime and its reverse (310121221021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120122121013 - 2¹³ = 120122112821 is a prime.

It is a super-2 number, since 2×120122121013² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120122121113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60061060506 + 60061060507.

It is an arithmetic number, because the mean of its divisors is an integer number (60061060507).

Almost surely, 2^120122121013 is an apocalyptic number.

It is an amenable number.

120122121013 is a deficient number, since it is larger than the sum of its proper divisors (1).

120122121013 is an equidigital number, since it uses as much as digits as its factorization.

120122121013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 120122121013 its reverse (310121221021), we get a palindrome (430243342034).

The spelling of 120122121013 in words is "one hundred twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, thirteen".