21442101203141 has 8 divisors (see below), whose sum is σ = 22707592510680. Its totient is φ = 20177075588608.

The previous prime is 21442101203051. The next prime is 21442101203183. The reversal of 21442101203141 is 14130210124412.

It can be written as a sum of positive squares in 4 ways, for example, as 2390360274241 + 19051740928900 = 1546079^2 + 4364830^2 .

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 21442101203141 - 2¹⁴ = 21442101186757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21442101203141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21442101203441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116328446 + ... + 116512623.

It is an arithmetic number, because the mean of its divisors is an integer number (2838449063835).

Almost surely, 2^{21442101203141} is an apocalyptic number.

It is an amenable number.

21442101203141 is a deficient number, since it is larger than the sum of its proper divisors (1265491307539).

21442101203141 is a wasteful number, since it uses less digits than its factorization.

21442101203141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232846503.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 21442101203141 its reverse (14130210124412), we get a palindrome (35572311327553).

The spelling of 21442101203141 in words is "twenty-one trillion, four hundred forty-two billion, one hundred one million, two hundred three thousand, one hundred forty-one".