112121220001013 has 2 divisors, whose sum is σ = 112121220001014. Its totient is φ = 112121220001012.

The previous prime is 112121220001001. The next prime is 112121220001057. The reversal of 112121220001013 is 310100022121211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107490903599524 + 4630316401489 = 10367782^2 + 2151817^2 .

It is a cyclic number.

It is not a de Polignac number, because 112121220001013 - 2⁶ = 112121220000949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112121220000982 and 112121220001000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112121220001093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060610000506 + 56060610000507.

It is an arithmetic number, because the mean of its divisors is an integer number (56060610000507).

Almost surely, 2^{112121220001013} is an apocalyptic number.

It is an amenable number.

112121220001013 is a deficient number, since it is larger than the sum of its proper divisors (1).

112121220001013 is an equidigital number, since it uses as much as digits as its factorization.

112121220001013 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 17.

Adding to 112121220001013 its reverse (310100022121211), we get a palindrome (422221242122224).

The spelling of 112121220001013 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred twenty million, one thousand, thirteen".