1313201101021 has 8 divisors (see below), whose sum is σ = 1313682590304. Its totient is φ = 1312719704400.

The previous prime is 1313201101001. The next prime is 1313201101063. The reversal of 1313201101021 is 1201011023131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313201101021 - 2²¹ = 1313199003869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313201100986 and 1313201101004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313201101001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39877855 + ... + 39910771.

It is an arithmetic number, because the mean of its divisors is an integer number (164210323788).

Almost surely, 2^{1313201101021} is an apocalyptic number.

It is an amenable number.

1313201101021 is a deficient number, since it is larger than the sum of its proper divisors (481489283).

1313201101021 is an equidigital number, since it uses as much as digits as its factorization.

1313201101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46331.

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

Adding to 1313201101021 its reverse (1201011023131), we get a palindrome (2514212124152).

The spelling of 1313201101021 in words is "one trillion, three hundred thirteen billion, two hundred one million, one hundred one thousand, twenty-one".