21454105314141 has 24 divisors (see below), whose sum is σ = 31093303937696. Its totient is φ = 14254769823840.

The previous prime is 21454105314137. The next prime is 21454105314143. The reversal of 21454105314141 is 14141350145412.

21454105314141 is a `hidden beast` number, since 2 + 1 + 4 + 5 + 41 + 0 + 531 + 41 + 41 = 666.

It is not a de Polignac number, because 21454105314141 - 2² = 21454105314137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21454105314096 and 21454105314105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21454105314143) 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, 2823726 + ... + 7133136.

Almost surely, 2^{21454105314141} is an apocalyptic number.

It is an amenable number.

21454105314141 is a deficient number, since it is larger than the sum of its proper divisors (9639198623555).

21454105314141 is a wasteful number, since it uses less digits than its factorization.

21454105314141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311273 (or 4311270 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

Adding to 21454105314141 its reverse (14141350145412), we get a palindrome (35595455459553).

The spelling of 21454105314141 in words is "twenty-one trillion, four hundred fifty-four billion, one hundred five million, three hundred fourteen thousand, one hundred forty-one".