13020132102121 has 4 divisors (see below), whose sum is σ = 13021184076372. Its totient is φ = 13019080127872.

The previous prime is 13020132102017. The next prime is 13020132102149. The reversal of 13020132102121 is 12120123102031.

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 5715977237721 + 7304154864400 = 2390811^2 + 2702620^2 .

It is a cyclic number.

It is not a de Polignac number, because 13020132102121 - 2³³ = 13011542167529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13020132100121) 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, 525968560 + ... + 525993313.

It is an arithmetic number, because the mean of its divisors is an integer number (3255296019093).

Almost surely, 2^{13020132102121} is an apocalyptic number.

It is an amenable number.

13020132102121 is a deficient number, since it is larger than the sum of its proper divisors (1051974251).

13020132102121 is a wasteful number, since it uses less digits than its factorization.

13020132102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051974250.

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

Adding to 13020132102121 its reverse (12120123102031), we get a palindrome (25140255204152).

The spelling of 13020132102121 in words is "thirteen trillion, twenty billion, one hundred thirty-two million, one hundred two thousand, one hundred twenty-one".