21441121450151 has 16 divisors (see below), whose sum is σ = 24292906958208. Its totient is φ = 18787210502400.

The previous prime is 21441121450127. The next prime is 21441121450153. The reversal of 21441121450151 is 15105412114412.

It is not a de Polignac number, because 21441121450151 - 2³⁰ = 21440047708327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21441121450153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543591695 + ... + 543631136.

It is an arithmetic number, because the mean of its divisors is an integer number (1518306684888).

Almost surely, 2^{21441121450151} is an apocalyptic number.

21441121450151 is a deficient number, since it is larger than the sum of its proper divisors (2851785508057).

21441121450151 is a wasteful number, since it uses less digits than its factorization.

21441121450151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087222922.

The product of its (nonzero) digits is 6400, while the sum is 32.

Adding to 21441121450151 its reverse (15105412114412), we get a palindrome (36546533564563).

The spelling of 21441121450151 in words is "twenty-one trillion, four hundred forty-one billion, one hundred twenty-one million, four hundred fifty thousand, one hundred fifty-one".