1302020132101 has 4 divisors (see below), whose sum is σ = 1402175526892. Its totient is φ = 1201864737312.

The previous prime is 1302020132099. The next prime is 1302020132159. The reversal of 1302020132101 is 1012310202031.

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 78750951876 + 1223269180225 = 280626^2 + 1106015^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302020132101 - 2¹ = 1302020132099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302020130101) 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 3 ways as a sum of consecutive naturals, for example, 50077697376 + ... + 50077697401.

It is an arithmetic number, because the mean of its divisors is an integer number (350543881723).

Almost surely, 2^{1302020132101} is an apocalyptic number.

It is an amenable number.

1302020132101 is a deficient number, since it is larger than the sum of its proper divisors (100155394791).

1302020132101 is a wasteful number, since it uses less digits than its factorization.

1302020132101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100155394790.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1302020132101 its reverse (1012310202031), we get a palindrome (2314330334132).

The spelling of 1302020132101 in words is "one trillion, three hundred two billion, twenty million, one hundred thirty-two thousand, one hundred one".