13142421022501 has 4 divisors (see below), whose sum is σ = 13142476258272. Its totient is φ = 13142365786732.

The previous prime is 13142421022481. The next prime is 13142421022561. The reversal of 13142421022501 is 10522012424131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13142421022501 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 13142421022501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142421022561) 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, 27259435 + ... + 27737368.

It is an arithmetic number, because the mean of its divisors is an integer number (3285619064568).

Almost surely, 2^{13142421022501} is an apocalyptic number.

It is an amenable number.

13142421022501 is a deficient number, since it is larger than the sum of its proper divisors (55235771).

13142421022501 is an equidigital number, since it uses as much as digits as its factorization.

13142421022501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55235770.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 13142421022501 its reverse (10522012424131), we get a palindrome (23664433446632).

The spelling of 13142421022501 in words is "thirteen trillion, one hundred forty-two billion, four hundred twenty-one million, twenty-two thousand, five hundred one".