21030144141 has 8 divisors (see below), whose sum is σ = 28058370880. Its totient is φ = 14011006752.

The previous prime is 21030144137. The next prime is 21030144199. The reversal of 21030144141 is 14144103012.

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

It is not a de Polignac number, because 21030144141 - 2² = 21030144137 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 (21030144131) 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, 2266936 + ... + 2276193.

It is an arithmetic number, because the mean of its divisors is an integer number (3507296360).

Almost surely, 2^21030144141 is an apocalyptic number.

It is an amenable number.

21030144141 is a deficient number, since it is larger than the sum of its proper divisors (7028226739).

21030144141 is a wasteful number, since it uses less digits than its factorization.

21030144141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544675.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21030144141 its reverse (14144103012), we get a palindrome (35174247153).

The spelling of 21030144141 in words is "twenty-one billion, thirty million, one hundred forty-four thousand, one hundred forty-one".