1031133121201 has 4 divisors (see below), whose sum is σ = 1034966330100. Its totient is φ = 1027299912304.

The previous prime is 1031133121189. The next prime is 1031133121237. The reversal of 1031133121201 is 1021213311301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 307869619600 + 723263501601 = 554860^2 + 850449^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031133121201 - 2⁵ = 1031133121169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031133121801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1916604046 + ... + 1916604583.

It is an arithmetic number, because the mean of its divisors is an integer number (258741582525).

Almost surely, 2^{1031133121201} is an apocalyptic number.

It is an amenable number.

1031133121201 is a deficient number, since it is larger than the sum of its proper divisors (3833208899).

1031133121201 is an equidigital number, since it uses as much as digits as its factorization.

1031133121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3833208898.

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

Adding to 1031133121201 its reverse (1021213311301), we get a palindrome (2052346432502).

The spelling of 1031133121201 in words is "one trillion, thirty-one billion, one hundred thirty-three million, one hundred twenty-one thousand, two hundred one".