1013220132101 has 4 divisors (see below), whose sum is σ = 1027099860012. Its totient is φ = 999340404192.

The previous prime is 1013220131999. The next prime is 1013220132107. The reversal of 1013220132101 is 1012310223101.

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 863877302500 + 149342829601 = 929450^2 + 386449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013220132101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1013220132101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013220132107) 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, 6939863846 + ... + 6939863991.

It is an arithmetic number, because the mean of its divisors is an integer number (256774965003).

Almost surely, 2^{1013220132101} is an apocalyptic number.

It is an amenable number.

1013220132101 is a deficient number, since it is larger than the sum of its proper divisors (13879727911).

1013220132101 is an equidigital number, since it uses as much as digits as its factorization.

1013220132101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13879727910.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1013220132101 its reverse (1012310223101), we get a palindrome (2025530355202).

The spelling of 1013220132101 in words is "one trillion, thirteen billion, two hundred twenty million, one hundred thirty-two thousand, one hundred one".