21141404000121 has 8 divisors (see below), whose sum is σ = 28190004073024. Its totient is φ = 14093536630320.

The previous prime is 21141404000113. The next prime is 21141404000147. The reversal of 21141404000121 is 12100040414112.

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

It is not a de Polignac number, because 21141404000121 - 2³ = 21141404000113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21141404000161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183108445 + ... + 183223866.

It is an arithmetic number, because the mean of its divisors is an integer number (3523750509128).

Almost surely, 2^{21141404000121} is an apocalyptic number.

It is an amenable number.

21141404000121 is a deficient number, since it is larger than the sum of its proper divisors (7048600072903).

21141404000121 is a wasteful number, since it uses less digits than its factorization.

21141404000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366351551.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 21141404000121 its reverse (12100040414112), we get a palindrome (33241444414233).

The spelling of 21141404000121 in words is "twenty-one trillion, one hundred forty-one billion, four hundred four million, one hundred twenty-one", and thus it is an aban number.