1201333331357 has 2 divisors, whose sum is σ = 1201333331358. Its totient is φ = 1201333331356.

The previous prime is 1201333331329. The next prime is 1201333331431. The reversal of 1201333331357 is 7531333331021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1123163322436 + 78170008921 = 1059794^2 + 279589^2 .

It is an emirp because it is prime and its reverse (7531333331021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201333331357 - 2¹⁰ = 1201333330333 is a prime.

It is a super-2 number, since 2×1201333331357² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201333330357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600666665678 + 600666665679.

It is an arithmetic number, because the mean of its divisors is an integer number (600666665679).

Almost surely, 2^{1201333331357} is an apocalyptic number.

It is an amenable number.

1201333331357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201333331357 is an equidigital number, since it uses as much as digits as its factorization.

1201333331357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 35.

Adding to 1201333331357 its reverse (7531333331021), we get a palindrome (8732666662378).

The spelling of 1201333331357 in words is "one trillion, two hundred one billion, three hundred thirty-three million, three hundred thirty-one thousand, three hundred fifty-seven".