13301132101021 has 4 divisors (see below), whose sum is σ = 13301152058844. Its totient is φ = 13301112143200.

The previous prime is 13301132100983. The next prime is 13301132101087. The reversal of 13301132101021 is 12010123110331.

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 2573181724996 + 10727950376025 = 1604114^2 + 3275355^2 .

It is a cyclic number.

It is not a de Polignac number, because 13301132101021 - 2²¹ = 13301130003869 is a prime.

It is a super-2 number, since 2×13301132101021² (a number of 27 digits) contains 22 as substring.

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 13301132101021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13301132101721) 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, 8943400 + ... + 10324081.

It is an arithmetic number, because the mean of its divisors is an integer number (3325288014711).

Almost surely, 2^{13301132101021} is an apocalyptic number.

It is an amenable number.

13301132101021 is a deficient number, since it is larger than the sum of its proper divisors (19957823).

13301132101021 is an equidigital number, since it uses as much as digits as its factorization.

13301132101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19957822.

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

Adding to 13301132101021 its reverse (12010123110331), we get a palindrome (25311255211352).

The spelling of 13301132101021 in words is "thirteen trillion, three hundred one billion, one hundred thirty-two million, one hundred one thousand, twenty-one".