21040121412114 has 32 divisors (see below), whose sum is σ = 48335826439296. Its totient is φ = 5980948216320.

The previous prime is 21040121412071. The next prime is 21040121412127. The reversal of 21040121412114 is 41121412104012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1271451807 + ... + 1271468354.

It is an arithmetic number, because the mean of its divisors is an integer number (1510494576228).

Almost surely, 2^{21040121412114} is an apocalyptic number.

21040121412114 is an abundant number, since it is smaller than the sum of its proper divisors (27295705027182).

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

21040121412114 is a wasteful number, since it uses less digits than its factorization.

21040121412114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542920370.

The product of its (nonzero) digits is 512, while the sum is 24.

Adding to 21040121412114 its reverse (41121412104012), we get a palindrome (62161533516126).

The spelling of 21040121412114 in words is "twenty-one trillion, forty billion, one hundred twenty-one million, four hundred twelve thousand, one hundred fourteen".