1013021131201 has 4 divisors (see below), whose sum is σ = 1019473495252. Its totient is φ = 1006568767152.

The previous prime is 1013021131193. The next prime is 1013021131211. The reversal of 1013021131201 is 1021311203101.

It is a happy number.

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 180914115600 + 832107015601 = 425340^2 + 912199^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013021131201 - 2³ = 1013021131193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013021131211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3226181790 + ... + 3226182103.

It is an arithmetic number, because the mean of its divisors is an integer number (254868373813).

Almost surely, 2^{1013021131201} is an apocalyptic number.

It is an amenable number.

1013021131201 is a deficient number, since it is larger than the sum of its proper divisors (6452364051).

1013021131201 is an equidigital number, since it uses as much as digits as its factorization.

1013021131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6452364050.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1013021131201 its reverse (1021311203101), we get a palindrome (2034332334302).

The spelling of 1013021131201 in words is "one trillion, thirteen billion, twenty-one million, one hundred thirty-one thousand, two hundred one".