2121402615113 has 8 divisors (see below), whose sum is σ = 2190549054720. Its totient is φ = 2052300806640.

The previous prime is 2121402615109. The next prime is 2121402615169. The reversal of 2121402615113 is 3115162041212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2121402615113 - 2² = 2121402615109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121402915113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11061158 + ... + 11251311.

It is an arithmetic number, because the mean of its divisors is an integer number (273818631840).

Almost surely, 2^{2121402615113} is an apocalyptic number.

It is an amenable number.

2121402615113 is a deficient number, since it is larger than the sum of its proper divisors (69146439607).

2121402615113 is a wasteful number, since it uses less digits than its factorization.

2121402615113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22315567.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 2121402615113 its reverse (3115162041212), we get a palindrome (5236564656325).

The spelling of 2121402615113 in words is "two trillion, one hundred twenty-one billion, four hundred two million, six hundred fifteen thousand, one hundred thirteen".