13201140103021 has 4 divisors (see below), whose sum is σ = 14216612418652. Its totient is φ = 12185667787392.

The previous prime is 13201140102949. The next prime is 13201140103031. The reversal of 13201140103021 is 12030104110231.

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 7964891861796 + 5236248241225 = 2822214^2 + 2288285^2 .

It is a cyclic number.

It is not a de Polignac number, because 13201140103021 - 2⁷ = 13201140102893 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 13201140103021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201140103031) 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, 507736157796 + ... + 507736157821.

It is an arithmetic number, because the mean of its divisors is an integer number (3554153104663).

Almost surely, 2^{13201140103021} is an apocalyptic number.

It is an amenable number.

13201140103021 is a deficient number, since it is larger than the sum of its proper divisors (1015472315631).

13201140103021 is a wasteful number, since it uses less digits than its factorization.

13201140103021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015472315630.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13201140103021 its reverse (12030104110231), we get a palindrome (25231244213252).

The spelling of 13201140103021 in words is "thirteen trillion, two hundred one billion, one hundred forty million, one hundred three thousand, twenty-one".