13100340121421 has 24 divisors (see below), whose sum is σ = 15308741193984. Its totient is φ = 11177608962240.

The previous prime is 13100340121411. The next prime is 13100340121423. The reversal of 13100340121421 is 12412104300131.

It is not a de Polignac number, because 13100340121421 - 2³⁴ = 13083160252237 is a prime.

It is a super-2 number, since 2×13100340121421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100340121423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159853826 + ... + 159935756.

It is an arithmetic number, because the mean of its divisors is an integer number (637864216416).

Almost surely, 2^{13100340121421} is an apocalyptic number.

It is an amenable number.

13100340121421 is a deficient number, since it is larger than the sum of its proper divisors (2208401072563).

13100340121421 is a wasteful number, since it uses less digits than its factorization.

13100340121421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96801 (or 96794 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 13100340121421 its reverse (12412104300131), we get a palindrome (25512444421552).

The spelling of 13100340121421 in words is "thirteen trillion, one hundred billion, three hundred forty million, one hundred twenty-one thousand, four hundred twenty-one".