21010314322141 has 4 divisors (see below), whose sum is σ = 21010589111484. Its totient is φ = 21010039532800.

The previous prime is 21010314322079. The next prime is 21010314322159. The reversal of 21010314322141 is 14122341301012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6505101260100 + 14505213062041 = 2550510^2 + 3808571^2 .

It is a cyclic number.

It is not a de Polignac number, because 21010314322141 - 2³¹ = 21008166838493 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 (21010314329141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137279950 + ... + 137432911.

It is an arithmetic number, because the mean of its divisors is an integer number (5252647277871).

Almost surely, 2^{21010314322141} is an apocalyptic number.

It is an amenable number.

21010314322141 is a deficient number, since it is larger than the sum of its proper divisors (274789343).

21010314322141 is an equidigital number, since it uses as much as digits as its factorization.

21010314322141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274789342.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 21010314322141 its reverse (14122341301012), we get a palindrome (35132655623153).

The spelling of 21010314322141 in words is "twenty-one trillion, ten billion, three hundred fourteen million, three hundred twenty-two thousand, one hundred forty-one".