1201020113057 has 2 divisors, whose sum is σ = 1201020113058. Its totient is φ = 1201020113056.

The previous prime is 1201020113003. The next prime is 1201020113063. The reversal of 1201020113057 is 7503110201021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1125803759521 + 75216353536 = 1061039^2 + 274256^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201020113057 - 2³² = 1196725145761 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201020113857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600510056528 + 600510056529.

It is an arithmetic number, because the mean of its divisors is an integer number (600510056529).

Almost surely, 2^{1201020113057} is an apocalyptic number.

It is an amenable number.

1201020113057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201020113057 is an equidigital number, since it uses as much as digits as its factorization.

1201020113057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 23.

Adding to 1201020113057 its reverse (7503110201021), we get a palindrome (8704130314078).

The spelling of 1201020113057 in words is "one trillion, two hundred one billion, twenty million, one hundred thirteen thousand, fifty-seven".