21142241103 has 8 divisors (see below), whose sum is σ = 28193972400. Its totient is φ = 14092668608.

The previous prime is 21142241083. The next prime is 21142241123. The reversal of 21142241103 is 30114224112.

It is an interprime number because it is at equal distance from previous prime (21142241083) and next prime (21142241123).

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

It is a cyclic number.

It is not a de Polignac number, because 21142241103 - 2¹⁶ = 21142175567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21142241103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21142241123) 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, 516708 + ... + 556121.

It is an arithmetic number, because the mean of its divisors is an integer number (3524246550).

Almost surely, 2^21142241103 is an apocalyptic number.

21142241103 is a deficient number, since it is larger than the sum of its proper divisors (7051731297).

21142241103 is a wasteful number, since it uses less digits than its factorization.

21142241103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079401.

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

Adding to 21142241103 its reverse (30114224112), we get a palindrome (51256465215).

The spelling of 21142241103 in words is "twenty-one billion, one hundred forty-two million, two hundred forty-one thousand, one hundred three".