2121420323214 has 16 divisors (see below), whose sum is σ = 4714267385040. Its totient is φ = 707140107720.

The previous prime is 2121420323177. The next prime is 2121420323219. The reversal of 2121420323214 is 4123230241212.

2121420323214 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 420 + 3 + 23 + 214 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121420323219) 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, 19642780717 + ... + 19642780824.

It is an arithmetic number, because the mean of its divisors is an integer number (294641711565).

Almost surely, 2^{2121420323214} is an apocalyptic number.

2121420323214 is an abundant number, since it is smaller than the sum of its proper divisors (2592847061826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121420323214 is a wasteful number, since it uses less digits than its factorization.

2121420323214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39285561552 (or 39285561546 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 2121420323214 its reverse (4123230241212), we get a palindrome (6244650564426).

The spelling of 2121420323214 in words is "two trillion, one hundred twenty-one billion, four hundred twenty million, three hundred twenty-three thousand, two hundred fourteen".