1201013231113 has 2 divisors, whose sum is σ = 1201013231114. Its totient is φ = 1201013231112.

The previous prime is 1201013231003. The next prime is 1201013231149. The reversal of 1201013231113 is 3111323101021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 990926675209 + 210086555904 = 995453^2 + 458352^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201013231113 - 2³⁷ = 1063574277641 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201413231113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600506615556 + 600506615557.

It is an arithmetic number, because the mean of its divisors is an integer number (600506615557).

Almost surely, 2^{1201013231113} is an apocalyptic number.

It is an amenable number.

1201013231113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201013231113 is an equidigital number, since it uses as much as digits as its factorization.

1201013231113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1201013231113 its reverse (3111323101021), we get a palindrome (4312336332134).

The spelling of 1201013231113 in words is "one trillion, two hundred one billion, thirteen million, two hundred thirty-one thousand, one hundred thirteen".